PIPERIDIN-4-YL AZETIDINE DERIVATIVES AS JAK1 INHIBITORS

• US 20110224190A1
• Filed: 03/09/2011
• Published: 09/15/2011
• Est. Priority Date: 03/10/2010
• Status: Active Grant

• Current Assignee: Incyte Holdings Corporation And Incyte Corporation
• Original Assignee: Incyte Corporation
• Inventors: Li, Qun, Shao, Lixin, Huang, Taisheng, Ye, Hai Fen, Kong, Ling Quan, Wang, Anlai, Yao, Wenqing, Xue, Chu-Biao, Wang, Haisheng, Li, Hui-Yin, Shepard, Stacey, Rodgers, James D.
• Granted Patent: US 8,765,734 B2
• Time in Patent Office: Days
• US Class Current: 514/210.21
• CPC Class Codes: A61K 31/4545 containing a six-membered ring with nitrogen as a ring hetero atom, e.g. pipamperone, anabasine
• CPC Class Codes: A61K 31/519 ortho- or peri-condensed with heterocyclic rings
• CPC Class Codes: A61K 9/0014 Skin, i.e. galenical aspects of topical compositions non-active ingredients are additionally classified in A61K47/00; A61K9/0009, A61K9/0021, A61K9/7015, A61K9/7023 take precedence; cosmetic preparations A61K8/00, A61Q; preparations for wound dressings or bandages A61L26/00
• CPC Class Codes: A61K 9/0019 Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner non-active ingredients are additionally classified in A61K47/00
• CPC Class Codes: A61K 9/0024 Solid, semi-solid or solidifying implants, which are implanted or injected in body tissue compositions for intravenous administration, normal injectable solutions or dispersions for, e.g. subcutaneous administration A61K9/0019; brain implants A61K9/0085; (coated) prostheses, catheters or stents A61L
• CPC Class Codes: A61K 9/0048 Eye, e.g. artificial tears
• CPC Class Codes: A61P 1/00 Drugs for disorders of the alimentary tract or the digestive system
• CPC Class Codes: A61P 11/00 Drugs for disorders of the respiratory system
• CPC Class Codes: A61P 11/06 Antiasthmatics
• CPC Class Codes: A61P 17/04 Antipruritics
• CPC Class Codes: A61P 27/02 Ophthalmic agents
• CPC Class Codes: A61P 35/00 Antineoplastic agents
• CPC Class Codes: A61P 37/06 Immunosuppressants, e.g. drugs for graft rejection
• CPC Class Codes: C07B 2200/13 Crystalline forms, e.g. polymorphs
• CPC Class Codes: C07D 401/14 containing three or more hetero rings
• CPC Class Codes: C07D 405/14 containing three or more hetero rings
• CPC Class Codes: C07D 471/04 Ortho-condensed systems
• CPC Class Codes: C07D 487/04 Ortho-condensed systems
• CPC Class Codes: C07D 519/00 Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00

Abstract

The present invention provides piperidin-4-yl azetidine derivatives, as well as their compositions and methods of use, that modulate the activity of Janus kinase 1 (JAK1) and are useful in the treatment of diseases related to the activity of JAK1 including, for example, inflammatory disorders, autoimmune disorders, cancer, and other diseases.

Claims

1. A compound of Formula (I):

2. A compound of claim 1, or a pharmaceutically acceptable salt thereof, wherein:

X is N or CR²;

Y is N or CR³;

Z is H, cyano, halo, C_1-3 alkyl, or C_1-3 haloalkyl;

L is C(R⁴)₂, C(═

O), C(═

O)N(R^4a), C(═

O)C(R^4b)₂, or S(═

O)₂;

A is C_1-6 alkyl, C_3-14 cycloalkyl, C_2-13 heterocycloalkyl, C_6-14 aryl, or C_1-14 heteroaryl;

wherein said C_1-6 alkyl, C_3-14 cycloalkyl, C_2-13 heterocycloalkyl, C_6-14 aryl, and C_1-14 heteroaryl are each optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R⁵ groups;

each R¹ is, independently, C_1-4 alkyl;

or

two R¹ groups together form a 2- or 3-carbon bridge;

R² is H, halo, hydroxyl, cyano, C_1-4 alkyl, C_1-4 haloalkyl, or C_1-4 alkoxy;

R³ is H, cyano, nitro, halo, hydroxyl, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_3-7 cycloalkyl, C_1-6 haloalkyl, C_1-6 alkoxy, C_1-6 haloalkoxy, amino, C_1-6 alkylamino, di-C_1-6 alkylamino, C_1-6 alkylsulfonyl, carbamyl, C_1-6 alkylcarbamyl, di-C_1-6 alkylcarbamyl, carboxy, C_1-6 alkylcarbonyl, or C_1-6 alkoxycarbonyl;

each R⁴ is, independently, H or C_1-4 alkyl;

or

two R⁴ groups, together with the carbon atom to which they are attached, form a 3-, 4-, 5-, or 6-membered cycloalkyl ring;

R^4a is H or C_1-4 alkyl;

each R^4b is, independently, H or C_1-4 alkyl;

or

two R^4b groups, together with the carbon atom to which they are attached, form a 3-, 4-, 5-, or 6-membered cycloalkyl ring;

each R⁵ is, independently, halo, cyano, nitro, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, halosulfanyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, C_1-10 heteroaryl-C_1-3 alkyl, OR^a, SR^a, C(O)R^b, C(O)NR^cR^d, C(O)OR^a, OC(O)R^b, OC(O)NR^cR^d, NR^cR^d, NR^cC(O)R^b, NR^cC(O)OR^a, NR^cC(O)NR^cR^d, C(═

NR^e)R^b, C(═

NR^e)NR^cR^d, NR^cC(═

NR^e)NR^cR^d, NR^cS(O)R^b, NR^cS(O)₂R^b, NR^cS(O)₂NR^cR^d, S(O)R^b, S(O)NR^cR^d, S(O)₂R^b, or S(O)₂NR^cR⁶;

wherein C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, and C_1-10 heteroaryl-C_1-3 alkyl are each optionally substituted with 1, 2, 3, 4, or 5 independently selected R⁶ groups;

each R⁶ is, independently, halo, cyano, nitro, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, halosulfanyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-16 aryl, C_6-15 aryl-C_1-3 alkyl, C_1-10 heteroaryl, C_1-10 heteroaryl-C_1-3 alkyl, OR^a1, SR^a1, C(O)R^b1, C(O)NR^c1R^d1, C(O)OR^a1, OC(O)R^b1, OC(O)NR^c1R^d1, C(═

NR^e1)NR^c1R^d1, NR^c1C(═

NR^e1)NR^c1R^d1, NR^c1R^d1, NR^c1C(O)R^b1, NR^c1C(O)OR^a1, NR^c1C(O)NR^c1R^d1, NR^c1S(O)R^b1, NR^c1S(O)₂R^b1, NR^c1S(O)₂NR^c1R^d1, S(O)R^b1, S(O)NR^c1R^d1, S(O)₂R^b1, or S(O)₂NR^c1R^d1;

wherein said C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-15 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, and C_1-10 heteroaryl-C_1-3 alkyl are each optionally substituted by 1, 2, 3, 4, or 5 independently selected R^h groups;

each R^a, R^b, R^c, and R^d is, independently, H, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, or C_1-10 heteroaryl-C_1-3 alkyl;

wherein said C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, halosulfanyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, and C_1-10 heteroaryl-C_1-3 alkyl is optionally substituted with 1, 2, 3, 4, or 5 independently selected R^g groups;

or any R^c and R^d together with the N atom to which they are attached form a 3-, 4-, 5-, 6-, or 7-membered heterocycloalkyl group or a heteroaryl group, each optionally substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, hydroxyl, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_3-7 cycloalkyl, C_1-6 haloalkyl, C_1-6 alkoxy, C_1-6 haloalkoxy, amino, C_1-6 alkylamino, di-C_1-6 alkylamino, thio, C_1-6 alkylthio, C_1-6 alkylsulfinyl, C_1-6 alkylsulfonyl, carbamyl, C_1-6 alkylcarbamyl, di-C_1-6 alkylcarbamyl, carboxy, C_1-6 alkylcarbonyl, and C_1-6 alkoxycarbonyl;

each R^e is, independently, H, C_1-6 alkyl, CN, hydroxyl, C_1-6 alkoxy, C_1-6 alkylsulfonyl, carboxy, C_1-6 alkylcarbonyl, aminosulfonyl, C_1-6 alkylaminosulfonyl, di-C_1-6 alkylaminosulfonyl, carbamyl, C_1-6 alkylcarbamyl, or di-C_1-6 alkylcarbamyl;

each R^a1, R^b1, R^c1, and R^d1 is, independently, H, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, or C_1-10 heteroaryl-C_1-3 alkyl;

wherein said C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_1-6 haloalkyl, halosulfanyl, C_3-10 cycloalkyl, C_3-10 cycloalkyl-C_1-3 alkyl, C_2-10 heterocycloalkyl, C_2-10 heterocycloalkyl-C_1-3 alkyl, C_6-10 aryl, C_6-10 aryl-C_1-3 alkyl, C_1-10 heteroaryl, and C_1-10 heteroaryl-C_1-3 alkyl is optionally substituted with 1, 2, 3, 4, or 5 independently selected R^g′

groups;

or any R^c1 and R^d1 together with the N atom to which they are attached form a 3-, 4-, 5-, 6-, or 7-membered heterocycloalkyl group or a heteroaryl group, each optionally substituted with 1, 2, 3 or 4 substituents independently selected from halo, cyano, nitro, hydroxyl, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_3-7 cycloalkyl, C_1-6 haloalkyl, C_1-6 alkoxy, C_1-6 haloalkoxy, amino, C_1-6 alkylamino, di-C_1-6 alkylamino, thio, C_1-6 alkylthio, C_1-6 alkylsulfinyl, C_1-6 alkylsulfonyl, carbamyl, C_1-6 alkylcarbamyl, di-C_1-6 alkylcarbamyl, carboxy, C_1-6 alkylcarbonyl, C_1-6 alkoxycarbonyl, and C_1-6 alkylcarbonylamino;

each R^e1 is, independently, H, C_1-6 alkyl, CN, hydroxyl, C_1-6 alkoxy, C_1-6 alkylsulfonyl, carboxy, C_1-6 alkylcarbonyl, aminosulfonyl, C_1-6 alkylaminosulfonyl, di-C_1-6 alkylaminosulfonyl, carbamyl, C_1-6 alkylcarbamyl, or di-C_1-6 alkylcarbamyl;

each R^g, R^g′

, and R^h is, independently, halo, cyano, nitro, hydroxyl, C_1-6 alkyl, C_2-6 alkenyl, C_2-6 alkynyl, C_3-7 cycloalkyl, C_1-6 haloalkyl, C_1-6 alkoxy, C_1-6 haloalkoxy, amino, C_1-6 alkylamino, di-C_1-6 alkylamino, thio, C_1-6 alkylthio, C_1-6 alkylsulfinyl, C_1-6 alkylsulfonyl, carbamyl, C_1-6 alkylcarbamyl, di-C_1-6 alkylcarbamyl, carboxy, C_1-6 alkylcarbonyl, C_1-6 alkoxycarbonyl, or C_1-6 alkylcarbonylamino; and

n is 0, 1, 2, 3, or 4.

3. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein X is N.

5. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein X is C(H), C(F), or C(CN).

6. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein X is CH.

7. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein Y is N.

9. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein Y is CH.

10. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein Z is cyano.

12. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein L is C(═

O)NH, C(═

O), S(═

O)₂, CH₂, C(═

O)CH₂,

13. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein n is 0, 1, or 2.

14. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein n is 0.

19. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein A is phenyl, which is optionally substituted with 1, 2, 3, 4, or 5 independently selected R⁵ groups.

20. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein A is monocyclic C_3-9 cycloalkyl or bicyclic C_3-9 cycloalkyl, each of which is optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R⁵ groups.

21. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein A is monocyclic C_2-10 heterocycloalkyl or bicyclic C_2-10 heterocycloalkyl, each of which is optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R⁵ groups.

22. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein A is monocyclic C_1-10 heteroaryl or bicyclic C_1-10 heteroaryl, each of which is optionally substituted with 1, 2, 3, 4, 5, or 6 independently selected R⁵ groups.

23. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein A is C_1-6 alkyl.

28. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein A is pyridin-4-yl;

which is optionally substituted with 1, 2, 3, or 4 independently selected R⁵ groups.

31. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein:

each R⁵ is, independently, halo, cyano, C_1-6 alkyl, C_1-6 haloalkyl, C_6-10 aryl, C_1-10 heteroaryl, OR^a, SR^a, C(O)OR^a, NR^cR^d, or NR^cC(O)R^b;

wherein said C_1-6 alkyl, C_1-6 haloalkyl, C_6-10 aryl, and C_1-10 heteroaryl are each optionally substituted with 1, 2, 3, 4, or 5 independently selected R⁶ groups;

each R^a, R^b, R^c, and R^d is, independently, H, C_1-6 alkyl, C_1-6 haloalkyl, or C_6-10 aryl;

wherein said C_1-6 alkyl and C_6-10 aryl is optionally substituted with 1, 2, 3, 4, or 5 independently selected R^g groups;

each R⁶ is, independently, halo, cyano, C_1-6 alkyl, C_1-6 haloalkyl, OR^a1, NR^c1R^d1, or OC(O)R^b1; and

each R^a1, R^b1, R^c1, and R^d1 is, independently, H or C_1-6 alkyl;

wherein said C_1-6 alkyl is optionally substituted with a substituent independently selected from C_1-4 alkoxy and hydroxyl;

or any R^c1 and R^d1 together with the N atom to which they are attached form a 4-, 5-, 6-, or 7-membered heterocycloalkyl group, optionally substituted with 1, 2, 3 or 4 substituents independently selected from halo.

32. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein each R⁵ is, independently, halo or C_1-6 haloalkyl.

33. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein each R⁵ is, independently, fluoro or trifluoromethyl.

34. The compound according to claim 1, having Formula (II):

35. The compound according to claim 1, having Formula (III):

36. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein:

X is N or CR²;

Y is N or CR³;

each R¹ is, independently, C_1-4 alkyl;

or

two R¹ groups form a 2-carbon bridge.

R² is H, halo, or cyano;

R³ is H;

Z is cyano;

L is C(═

O)NH, C(═

O), S(═

O)₂, CH₂, C(═

O)CH₂, or

39. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein:

X is N or CR²;

Y is N or CR³;

each R¹ is, independently, C_1-4 alkyl;

or

two R¹ groups form a 2-carbon bridge.

R² is H, halo, or cyano;

R³ is H;

Z is cyano;

L is C(═

O)NH, C(═

O), S(═

O)₂, CH₂, C(═

O)CH₂, or

44. The compound according to claim 1, or a pharmaceutically acceptable salt thereof;

wherein;

X is N or CH;

Y is N;

Z is cyano;

L is C(═

O) or C(═

O)NH;

A is phenyl or a pyridine ring, each of which is optionally substituted with 1, 2, 3, or 4 independently selected R⁵ groups;

each R⁵ is, independently, halo or C_1-6 haloalkyl; and

n is 0.

46. The compound according to claim 1, or a pharmaceutically acceptable salt thereof, wherein:

X is N or CR²;

Y is N or CR³;

each R¹ is, independently, C_1-4 alkyl, hydroxyl, C_1-4 alkoxy, or fluoro;

two R¹ groups together form a 2- or 3-carbon bridge or a bridge of formula —

CH₂—

O—

CH₂;

R² is H, halo, or cyano;

R³ is H;

Z is cyano;

L is C(═

O)NH, C(═

O), S(═

O)₂, CH₂, C(═

O)CH₂,

47. The compound according to claim 1, wherein the compound is selected from:

{1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-quinolin-6-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(3,4,5-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-hydroxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-3-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cyclohexylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-benzoylpiperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

2-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]benzonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]benzonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]benzonitrile;

{1-{1-[(6-chloropyridin-2-yl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(pyrazin-2-1carbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-1}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(3-thienylcarbonyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-[1-(1,3-oxazol-2-ylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[2-methyl-5-(trifluoromethyl)-1,3-oxazol-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-5-fluorobenzonitrile;

{1-[1-(3-chlorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-bromobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

(3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-{1-[3-(trifluoromethoxy)benzoyl]piperidin-4-yl}azetidin-3-yl)acetonitrile;

(3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-{1-[3-(trifluoromethyl)benzoyl]piperidin-4-yl}azetidin-3-yl)acetonitrile;

{1-{1-[3-fluoro-5-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-dichlorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(4-fluoro-3-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-fluoro-5-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-chloro-5-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-bromo-5-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(2,5-dichloro-3-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,4,5-trifluoro-3-methoxybenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-dimethoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-chloro-4-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,4-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-5-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-chloro-6-methoxyisonicotinoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(5-fluoro-2-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3}acetonitrile;

{1-[1-(2-fluoro-6-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(4-fluoro-2-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,3-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,4-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,5-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,6-difluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-6-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,3,4-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,3,6-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,4,5-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,4,6-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-dibromo-4-methoxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-6-(dimethylamino)-2-fluorobenzonitrile;

{1-{1-[3-fluoro-4-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[4-chloro-6-(trifluoromethyl)pyridin-2-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,3,4,5-tetrafluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2-methoxybenzonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(2,3,5,6-tetrafluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

(3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-{1-[2-(trifluoromethyl)isonicotinoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-[1-(4-fluoro-3-hydroxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2-(dimethylamino)benzonitrile;

{1-{1-[4-(dimethylamino)-2,3,5,6-tetrafluorobenzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-difluoroisonicotinoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-fluoro-4-(methylthio)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(4-chloro-3-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-methylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,5-dimethyl-3-furoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2-fluorobenzonitrile;

{1-[1-(2-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(4-fluorobenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-thienylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-methoxy-5-(trifluoromethyl)-2-thienylcarbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-hydroxy-5-(trifluoromethyl)-2-thienylcarbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3}acetonitrile;

{1-{1-[(4-methoxy-3-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(5-methyl-3-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(5-chloro-4-methoxy-3-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(2-bromo-3-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3}acetonitrile;

{1-{1-[(3-chloro-2-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(5-chloro-2-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(3-methyl-2-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(4-methyl-2-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(5-methyl-2-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(3-methoxy-2-thienyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-4-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-3,5-difluorobenzonitrile;

{1-[1-(3-chloro-4-hydroxybenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[6-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{1-[1-(1-naphthoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(quinolin-3-ylcarbonyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(quinolin-6-yl carbonyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-[1-(1-benzothien-2-ylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(3-chloro-6-fluoro-1-benzothien-2-yl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(3-chloro-4-fluoro-1-benzothien-2-yl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[4-(trifluoromethyl)-1-benzothien-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-[6-(trifluoromethyl)-1-benzothien-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[7-(trifluoromethyl)-1-benzothien-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{1-[1-(1-benzothien-3-ylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[1-(1,2,3,4-tetrahydronaphthalen-2-ylcarbonyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[4-(trifluoromethyl)cyclohexyl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{1-[1-(2,3-dihydro-1H-inden-2-ylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(4,4-difluorocyclohexyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cyclopentylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cycloheptylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(3-methoxycyclohexyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(4-phenylcyclohexyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[4-(4-chlorophenyl)cyclohexyl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

6-{4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]piperidin-1-yl}nicotinonitrile;

{1-(1-{[1-(5-chloro-3-fluoropyridin-2-yl)piperidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1]azetidin-3-yl}acetonitrile;

2-{4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]piperidin-1-yl}-6-methylnicotinonitrile;

{1-[1-(phenylacetyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(1-phenylcyclopropyl)carbonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[1-(4-chlorophenyl)cyclopropyl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(2,6-dichlorophenyl)acetyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(mesitylacetyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(biphenyl-4-ylcarbonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-isoquinolin-6-ylbenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,6-difluoro-4-pyridin-3-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-pyridin-4-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4′

-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2′

-fluorobiphenyl-4-carbonitrile;

4′

-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2′

,3-difluorobiphenyl-4-carbonitrile;

{1-[1-(2-fluoro-4-pyridin-3-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[4-fluoro-3-(1,3-thiazol-2-yl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-fluoro-4-(1,3-thiazol-2-yl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-pyridin-3-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4′

-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2′

-fluorobiphenyl-2-carbonitrile;

4′

-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2′

-fluorobiphenyl-3-carbonitrile;

4′

-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]biphenyl-4-carbonitrile;

(3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-{1-[(2,3′

,4′

-trifluorobiphenyl-4-yl)carbonyl]piperidin-4-yl}azetidin-3-yl)acetonitrile;

4′

-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2′

,5-difluorobiphenyl-3-carbonitrile;

{1-[1-(3-fluoro-4-quinolin-5-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-isoquinolin-5-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-isoquinolin-8-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-quinolin-8-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-isoquinolin-7-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-quinolin-7-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-imidazo[1,2-a]pyridin-6-ylbenzoyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[4-(1,3-benzoxazol-2-yl)benzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[4-(1,3-benzoxazol-2-yl)-3-fluorobenzoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

3-[(3-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-8-azabicyclo[3.2.1]oct-8-yl)carbonyl]-5-fluorobenzonitrile;

{1-[8-(3,4-difluorobenzoyl)-8-azabicyclo[3.2.1]oct-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-[(3-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-8-azabicyclo[3.2.1]oct-8-yl)carbonyl]-2-fluorobenzonitrile;

{1-[8-(4-chloro-3-fluorobenzoyl)-8-azabicyclo[3.2.1]oct-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{8-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]-8-azabicyclo[3.2.1]oct-3-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(8-{[6-(trifluoromethyl)pyridin-3-yl]carbonyl}-8-azabicyclo[3.2.1]oct-3-yl)azetidin-3-yl]acetonitrile;

(3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-{8-[2-(trifluoromethyl)isonicotinoyl]-8-azabicyclo[3.2.1]oct-3-yl}azetidin-3-yl)acetonitrile;

{1-[8-(cyclopentylcarbonyl)-8-azabicyclo[3.2.1]oct-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-[8-(tetrahydro-2H-pyran-4-ylcarbonyl)-8-azabicyclo[3.2.1]oct-3-yl]azetidin-3-yl}acetonitrile;

{1-[8-(cyclohexylcarbonyl)-8-azabicyclo[3.2.1]oct-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{8-[(4,4-difluorocyclohexyl)carbonyl]-8-azabicyclo[3.2.1]oct-3-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluorobenzoyl)-2-methylpiperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluorobenzoyl)-2-methylpiperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(4,4-difluorocyclohexyl)carbonyl]-2-methylpiperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluorobenzoyl)-4-methylpiperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cyclohexylcarbonyl)-4-methylpiperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-fluoro-2-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)pyridin-4-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,6-difluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[2-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[2-(trifluoromethoxy)phenyl]piperidine-1-carboxamide;

N-(4-bromo-3-thienyl)-4-(3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,6-dichlorophenyl)piperidine-1-carboxamide;

N-(2-chloro-6-methylphenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

N-(2-chloro-4-fluorophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

N-(2-chlorophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[2-(difluoromethoxy)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-(trifluoromethyl)pyridin-3-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

N-(5-chloro-2-methylphenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-fluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[2-fluoro-3-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,4-difluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,3,4-trifluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,3,5-trifluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,5-difluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(3,5-difluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(3,4-difluorophenyl)piperidine-1-carboxamide;

N-(3-chloro-2-fluorophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

N-(4-chloro-2-fluorophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-3-thienylpiperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-methoxyphenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(3-methoxyphenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-(trifluoromethoxy)phenyl]piperidine-1-carboxamide;

N-(3-chlorophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

N-(4-chlorophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-methylphenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,5-dimethoxyphenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(4-fluoro-2-methylphenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[6-(trifluoromethyl)pyridin-2-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,6-dimethylpyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-1,3-thiazol-2-ylpiperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(4-methyl-1,3-thiazol-2-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(4,5-dimethyl-1,3-thiazol-2-yl)piperidine-1-carboxamide;

N-1,3-benzothiazol-2-yl-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(1-methyl-1H-benzimidazol-2-yl)piperidine-1-carboxamide;

N-[4-(4-chlorophenyl)-1,3-thiazol-2-yl]-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(1-ethyl-1H-pyrazol-5-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(1,3-dimethyl-1H-pyrazol-5-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-methylpyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(6-fluoro-2-methylpyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-fluoro-6-methylpyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)pyridin-2-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(3-fluoropyridin-2-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(3,5-difluoropyridin-2-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-methoxypyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[2-methyl-6-(trifluoromethyl)pyridin-3-yl]piperidine-1-carboxamide;

methyl 2-{[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]amino}benzoate;

methyl 2-{[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]amino}-5-fluorobenzoate;

methyl 4-{[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]amino}-3-fluorobenzoate;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]-6-(dimethylamino)-2-fluorobenzonitrile;

{1-[1-(3,5-dichlorobenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-chloro-5-(trifluoromethyl)benzyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-3-(trifluoromethyl)benzyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-6-(trifluoromethyl)benzyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(2-chloroquinolin-3-yl)methyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-difluorobenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-4-(trifluoromethyl)benzyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,4-difluorobenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-fluoro-6-methoxybenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,3-dichlorobenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]-2-fluorobenzonitrile;

{1-{1-[4-(1,2,3-oxadiazol-4-yl)benzyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

2-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]benzonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]benzonitrile;

6-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]-2-methoxynicotinonitrile;

{1-{1-[(2,6-dibromopyridin-4-yl)methyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(2-bromopyridin-4-yl)methyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-chloro-6-fluorobenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-chloro-2,6-difluorobenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]-2-fluorobenzonitrile;

{1-{1-[(5-methyl-3-phenylisoxazol-4-yl)methyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[3-fluoro-2-(trifluoromethyl)pyridin-4-yl]methyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(1-benzofuran-2-ylmethyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-phenoxybenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,3-dihydro-1,4-benzodioxin-6-ylmethyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

N-{4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)methyl]pyridin-2-yl}-2,2-dimethylpropanamide;

{1-{1-[3-chloro-2-fluoro-6-(trifluoromethyl)benzyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

1-{1-[(3,5-dichloropyridin-4-yl)methyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(2-chloro-6-methoxyquinolin-3-yl)methyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-chloro-3,4-dimethoxybenzyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

3-[(3-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-8-azabicyclo[3.2.1]oct-8-yl)methyl]-6-(dimethylamino)-2-fluorobenzonitrile;

{1-[8-(2-chloro-3,6-difluorobenzyl)-8-azabicyclo[3.2.1]oct-3-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-2-methylpiperidin-1-yl)methyl]-6-(dimethylamino)-2-fluorobenzonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-2-methylpiperidin-1-yl)methyl]-6-(dimethylamino)-2-fluorobenzonitrile;

{1-[1-(2-chloro-6-fluorobenzyl)-2-methylpiperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-chloro-6-fluorobenzyl)-2-methylpiperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(1-methyl-1H-pyrazol-5-yl)sulfonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

2-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)sulfonyl]benzonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)sulfonyl]benzonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)sulfonyl]benzonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)sulfonyl]-2-(dimethylamino)benzonitrile;

{1-{1-[(1-methyl-1H-pyrazol-3-yl)sulfonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cyclohexylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cyclopentylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(methylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(ethylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(cyclopropylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(isopropylsulfonyl)piperidin-4-yl]-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(1-methyl-1H-imidazol-4-yl)sulfonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(1,2-dimethyl-1H-imidazol-4-yl)sulfonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(3,5-dimethylisoxazol-4-yl)sulfonyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

3-[(4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]benzonitrile;

3-[(4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-5-fluorobenzonitrile;

4-[(4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-3-fluorobenzonitrile;

4-[(4-}3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-3,5-difluorobenzonitrile;

{1-{1-[5-fluoro-2-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-fluoro-4-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

(3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-{1-[3-(trifluoromethyl)benzoyl]piperidin-4-yl}azetidin-3-yl)acetonitrile;

{1-{1-[2-fluoro-5-(trifluoromethoxy)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-[1-(2,3,6-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-[1-(2-thienylcarbonyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-4-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-5-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-fluoro-5-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[4-fluoro-3-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,3-difluorobenzoyl)piperidin-4-yl]-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,4-difluorobenzoyl)piperidin-4-yl]-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,5-difluorobenzoyl)piperidin-4-yl]-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2,6-difluorobenzoyl)piperidin-4-yl]-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-[1-(2,3,4-trifluorobenzoyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

{1-{1-[2-fluoro-3-(trifluoromethoxy)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[4-hydroxy-3-(trifluoromethyl)benzoyl]piperidin-4-yl}-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-[4-fluoro-2-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-(2-methoxypyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-[2-methyl-6-(trifluoromethyl)pyridin-3-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-(2,4-difluorophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-(2-cyanophenyl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-(2-methoxyphenyl)piperidine-1-carboxamide;

N-(2-chloro-4-fluorophenyl)-4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)pyridin-2-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-[4-(trifluoromethyl)pyridin-3-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-1-yl}-N-(3-fluoropyridin-2-yl)piperidine-1-carboxamide;

N-(4-chloro-2-cyanophenyl)-4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

{1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-3-fluorobenzonitrile;

{1-[1-(3-fluoro-4-hydroxybenzoyl)piperidin-4-yl]-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-fluoro-4-hydroxybenzoyl)piperidin-4-yl]-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[5-chloro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[6-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[5-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{1-{1-[(4,4-difluorocyclohexyl)carbonyl]piperidin-4-yl}-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-fluoro-2-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2,4-difluorophenyl)piperidine-1-carboxamide;

N-(2-chloro-4-fluorophenyl)-4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-methoxypyridin-3-yl)piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)pyridin-4-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-(trifluoromethyl)pyridin-3-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-(2-fluorophenyl)piperidine-1-carboxamide;

N-(2-chlorophenyl)-4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-cyano-2-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

N-(4-cyano-2-fluorophenyl)-4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

N-(2-chloro-4-cyanophenyl)-4-{3-(cyanomethyl)-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxamide;

(3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}azetidin-3-yl)acetonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]isophthalonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-5-fluorobenzonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-3-fluorobenzonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2-fluorobenzonitrile;

{1-{1-[(5-fluoropyridin-2-yl)carbonyl]piperidin-4-yl}-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoroisonicotinoyl)piperidin-4-yl]-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3,5-difluoroisonicotinoyl)piperidin-4-yl]-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(3-fluoro-4-hydroxybenzoyl)piperidin-4-yl]-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-[1-(2-fluoro-4-hydroxybenzoyl)piperidin-4-yl]-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

2-[(4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]terephthalonitrile;

4-[(4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-2-fluorobenzonitrile;

{1-{1-[5-chloro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[(4,4-difluorocyclohexyl)carbonyl]piperidin-4-yl}-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridine-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-fluoro-2-(trifluoromethyl)phenyl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)pyridin-2-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[4-(trifluoromethyl)pyridin-3-yl]piperidine-1-carboxamide;

4-{3-(cyanomethyl)-3-[4-(5-fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-[3-(trifluoromethyl)pyridin-4-yl]piperidine-1-carboxamide;

4-[1-(3-(cyanomethyl)-1-{1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}azetidin-3-yl)-1H-pyrazol-4-yl]-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

4-{1-[1-[1-(3-cyano-5-fluorobenzoyl)piperidin-4-yl]-3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl}-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

4-{1-[1-[1-(4-cyano-3-fluorobenzoyl)piperidin-4-yl]-3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl}-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

4-(1-{3-(cyanomethyl)-1-[1-(2,5-dibromobenzoyl)piperidin-4-yl]azetidin-3-yl}-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

4-(1-{3-(cyanomethyl)-1-[1-(3,5-dibromobenzoyl)piperidin-4-yl]azetidin-3-yl}-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

2-[(4-{3-(cyanomethyl)-3-[4-(5-cyano-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]terephthalonitrile;

5-[(4-{3-(cyanomethyl)-3-[4-(5-cyano-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]isophthalonitrile;

4-{1-[1-[1-(4-cyano-2-fluorobenzoyl)piperidin-4-yl]-3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl}-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

4-{1-[1-[1-(4-cyano-2,6-difluorobenzoyl)piperidin-4-yl]-3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl}-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

4-{1-[1-{1-[5-chloro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-(cyanomethyl)azetidin-3-yl]-1H-pyrazol-4-yl}-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

{1-{1-[5-Chloro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[5-Fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[4-(trifluoromethyl)-1,3-thiazol-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[3-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-(1-{[2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[3-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-(1-{[4-(trifluoromethyl)-1,3-thiazol-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[3-(7H-Pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]-1-(1-{[5-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{1-[1-(Methylsulfonyl)piperidin-4-yl]-3-[3-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrrol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(1H-Pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[5-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(1H-Pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[4-(trifluoromethyl)-1,3-thiazol-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{1-[1-(Methylsulfonyl)piperidin-4-yl]-3-[4-(1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

[3-[4-(5-Fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[6-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(5-Fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

[3-[4-(5-Fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1H-pyrazol-1-yl]-1-(1-{[5-(trifluoromethyl)pyrazin-2-yl]carbonyl}piperidin-4-yl)azetidin-3-yl]acetonitrile;

{3-[4-(5-Fluoro-1H-pyrrolo[2,3-b]pyridin-4-yl)-1 Hpyrazol-1-yl]-1-[1-(methylsulfonyl)piperidin-4-yl]azetidin-3-yl}acetonitrile;

4-[1(3-(Cyanomethyl)-1-{1-[5-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}azetidin-3-yl)-1H-pyrazol-4-yl]-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile; and

4-(1-{3-(Cyanomethyl)-1-[1-(methylsulfonyl)piperidin-4-yl]azetidin-3-yl}-1H-pyrazol-4-yl)-1H-pyrrolo[2,3-b]pyridine-5-carbonitrile;

or a pharmaceutically acceptable salt of any of the aforementioned.

48. The compound according to claim 1, wherein the compound is selected from:

cis-{1-{(3-Methoxy-1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(cis-3-Methoxy-1-{[2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{cis-3-Fluoro-1-[3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(cis-3-Fluoro-1-{[2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-Fluoro-2-(trifluoromethyl)isonicotinoyl]-4-deuteropiperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{1-[3-Fluoro-2-(trifluoromethyl)isonicotinoyl]3,3,4,5,5-pentadeuteropiperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-{7-[3-Fluoro-2-(trifluoromethyl)isonicotinoyl]-3-oxa-7-azabicyclo[3.3.1]non-9-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[4-[(dimethylamino)methyl]-6-(trifluoromethyl)pyridin-2-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}-N-isopropylpiperidine-1-carboxamide;

{1-{1-[6-[(dimethylamino)methyl]-3-fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

3-[(4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidin-1-yl)carbonyl]-5-[(dimethylamino)methyl]benzonitrile;

{1-(1-{[6-[(dimethylamino)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-[(methylamino)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-(azetidin-1-ylmethyl)-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-[(diethylamino)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-{[ethyl(methyl)amino]methyl}-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{3-(difluoromethyl)-5-[(dimethylamino)methyl]benzoyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-(pyrrolidin-1-ylmethyl)-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-{[(3S)-3-fluoropyrrolidin-1-yl]methyl}-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-{[(3R)-3-fluoropyrrolidin-1-yl]methyl}-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-[(3,3-difluoropyrrolidin-1-yl)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-[(tert-butylamino)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-(hydroxymethyl)-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-[(isopropylamino)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-[(ethylamino)methyl]-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-{[(2-methoxyethyl)(methyl)amino]methyl}-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

{1-(1-{[6-{[(3-hydroxypropyl)(methyl)amino]methyl}-2-(trifluoromethyl)pyrimidin-4-yl]carbonyl}piperidin-4-yl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile;

propyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

cyclobutylmethyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

ethyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

benzyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

isobutyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

cyclopropylmethyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

(1-methylcyclopropyl)methyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

2,4-difluorobenzyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

3,4-difluorobenzyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

3,5-difluorobenzyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

cyclopentylmethyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate; and

cyclohexylmethyl 4-{3-(cyanomethyl)-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-1-yl}piperidine-1-carboxylate;

or a pharmaceutically acceptable salt of any of the aforementioned.

49. A compound according to claim 1, which is 1-{1-{1-[3-Fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile, or a pharmaceutically acceptable salt thereof.

50. A salt according to claim 49, which is {1-{1-[3-Fluoro-2-(trifluoromethyl)isonicotinoyl]piperidin-4-yl}-3-[4-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl]azetidin-3-yl}acetonitrile adipic acid salt.

61. A composition comprising a compound or salt according to claim 1 and a pharmaceutically acceptable carrier.

62. A method of modulating an activity of JAK1 comprising contacting JAK1 with a compound or salt according to claim 1.

63. A method according to claim 62, wherein said compound, or pharmaceutically acceptable salt thereof, is selective for JAK1 over JAK2.

64. A method of treating an autoimmune disease, a cancer, a myeloproliferative disorder, an inflammatory disease, a bone resorption disease, or organ transplant rejection in a patient in need thereof, comprising administering to said patient a therapeutically effective amount of a compound or salt according to claim 1.

65. A method according to claim 64, wherein said autoimmune disease is a skin disorder, multiple sclerosis, rheumatoid arthritis, psoriatic arthritis, juvenile arthritis, type I diabetes, lupus, inflammatory bowel disease, Crohn'"'"'s disease, myasthenia gravis, immunoglobulin nephropathies, myocarditis, or autoimmune thyroid disorder.

66. A method according to claim 64, wherein said autoimmune disease is rheumatoid arthritis.

67. A method according to claim 64, wherein said autoimmune disease is a skin disorder.

68. A method according to claim 67, wherein said skin disorder is atopic dermatitis, psoriasis, skin sensitization, skin irritation, skin rash, contact dermatitis or allergic contact sensitization.

69. A method according to claim 64, wherein said cancer is a solid tumor.

70. A method according to claim 64, wherein said cancer is prostate cancer, renal cancer, hepatic cancer, breast cancer, lung cancer, thyroid cancer, Kaposi'"'"'s sarcoma, Castleman'"'"'s disease or pancreatic cancer.

71. A method according to claim 64, wherein said cancer is lymphoma, leukemia, or multiple myeloma.

72. A method according to claim 64, wherein said myeloproliferative disorder is polycythemia vera (PV), essential thrombocythemia (ET), myeloid metaplasia with myelofibrosis (MMM), primary myelofibrosis (PMF), chronic myelogenous leukemia (CML), chronic myelomonocytic leukemia (CMML), hypereosinophilic syndrome (HES), idiopathic myelofibrosis (IMF), or systemic mast cell disease (SMCD).

73. A method according to claim 64, wherein said myeloproliferative disorder is myelofibrosis.

74. A method according to claim 64, wherein said myeloproliferative disorder is primary myelofibrosis (PMF).

75. A method according to claim 64, wherein said bone resorption disease is osteoporosis, osteoarthritis, bone resorption associated with hormonal imbalance, bone resorption associated with hormonal therapy, bone resorption associated with autoimmune disease, or bone resorption associated with cancer.

4. (canceled)

8. (canceled)

11. (canceled)

15-18. -18. (canceled)

24-27. -27. (canceled)

29-30. -30. (canceled)

37-38. -38. (canceled)

40-43. -43. (canceled)

45. (canceled)

51-60. -60. (canceled)