3-(1-OXOISOINDOLIN-2-YL)PIPERIDINE-2,6-DIONE DERIVATIVES AND USES THEREOF

• US 20190062309A1
• Filed: 08/22/2018
• Published: 02/28/2019
• Est. Priority Date: 08/23/2017
• Status: Active Grant

• Current Assignee: Novartis Ag
• Original Assignee: Novartis Ag
• Inventors: BECKWITH, Rohan Eric John, BONAZZI, Simone, CERNIJENKO, Artiom, FAZAL, Aleem, TICHKULE, Ritesh Bhanudasji, VISSER, Michael Scott
• Granted Patent: US 10,414,755 B2
• Time in Patent Office: Days
• CPC Class Codes: A61P 35/00 Antineoplastic agents
• CPC Class Codes: C07D 401/04 directly linked by a ring-member-to-ring-member bond
• CPC Class Codes: C07D 401/14 containing three or more hetero rings
• CPC Class Codes: C07D 407/14 containing three or more hetero rings
• CPC Class Codes: C07D 409/14 containing three or more hetero rings
• CPC Class Codes: C07D 413/14 containing three or more hetero rings
• CPC Class Codes: C07D 417/14 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 487/08 Bridged systems
• CPC Class Codes: C07D 495/04 Ortho-condensed systems
• CPC Class Codes: C07D 513/04 Ortho-condensed systems

Abstract

The present disclosure provides a compound of Formula (I′):

• • or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof, wherein R₁, R₂, R_x, X₁, n, n1, and q are as defined herein, and methods of making and using same.

Claims

1. A compound of Formula (I′

);

2. The compound of claim 1, having a Formula (I):

3. The compound according to claim 1, wherein n is 1.

4. The compound according to claim 1, wherein n is 2.

5. The compound according to claim 1, wherein q is 0, 1, or 2.

6. The compound according to claim 1, wherein X₁ is CH.

7. The compound according to claim 1, wherein R_x is H.

8. The compound according to claim 1, wherein R₂ is (C₆-C₁₀)aryl, (C₃-C₈)cycloalkyl, or 5- to 7-membered heterocycloalkyl comprising 1 to 3 heteroatoms selected from O, N, and S, wherein the aryl, heteroaryl, cycloalkyl, and heterocycloalkyl are optionally substituted with one to three R₅.

9. The compound according to claim 1, wherein R₂ is (C₆-C₁₀)aryl, (C₃-C₈)cycloalkyl, or 5- to 7-membered heterocycloalkyl comprising 1 to 3 heteroatoms selected from O, N, and S.

10. The compound according to claim 1, wherein R₂ is (C₁-C₆)alkyl optionally substituted with one to three R₄.

11. The compound of claim 1, having a Formula (Ia), Formula (Ib), Formula (Ic), or Formula (Id):

12. The compound according to claim 11, wherein R₂ is (C₆-C₁₀)aryl, (C₃-C₈)cycloalkyl, or 5- to 7-membered heterocycloalkyl comprising 1 to 3 heteroatoms selected from O, N, and S, wherein the aryl, heteroaryl, cycloalkyl, and heterocycloalkyl are optionally substituted with one to three R₅.

13. The compound according to claim 11, wherein R₂ is (C₆-C₁₀)aryl, (C₃-C₈)cycloalkyl, or 5- to 7-membered heterocycloalkyl comprising 1 to 3 heteroatoms selected from O, N, and S.

14. The compound according to claim 11, wherein R₂ is (C₁-C₆)alkyl optionally substituted with one to three R₄.

15. The compound according to claim 1 selected from:

3-(5-(1-ethylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-propylpiperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(cyclopropylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-isobutylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(cyclobutylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(oxazol-2-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(thiazol-2-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(cyclopentylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((5-chlorothiophen-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2-chlorothiazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(cyclohexylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(2-(pyrrolidin-1-yl)ethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((tetrahydro-2H-pyran-4-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-phenethylpiperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-chlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-chlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(2-(piperidin-1-yl)ethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((3,5-dimethylisoxazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1,3-dimethyl-1H-pyrazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((6-methylpyridin-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-morpholinopropyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,6-difluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,6-dichlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,5-difluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,5-dibromobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-chloro-5-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,5-difluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,5-dichlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzonitrile;

3-(5-(1-(4-(hydroxymethyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,4-dichlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-chloro-2-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-chloro-4-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzonitrile;

3-(5-(1-(2,3-difluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

2-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzonitrile;

3-(5-(1-(4-methoxybenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,5-dimethylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,4-dimethylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,4-dimethylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-indazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-benzo[d]imidazol-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-isopropylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

methyl 5-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)furan-2-carboxylate;

3-(5-(1-(naphthalen-2-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(quinolin-2-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(naphthalen-1-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-methyl-1H-benzo[d]imidazol-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(4-(trifluoromethoxy)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(1H-pyrrol-1-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(1H-1,2,4-triazol-1-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(3-(trifluoromethoxy)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(2-(trifluoromethoxy)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyridin-2-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyridin-3-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyridin-4-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyrimidin-5-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(1-phenylethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(fluoromethyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,4-difluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

2-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)pyrimidine-5-carbonitrile;

3-(5-(1-(4-ethylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-methoxybenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2-methoxypyrimidin-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-fluoro-4-methylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(difluoromethyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzamide;

4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzoic acid;

3-(5-(1-(3-(difluoromethyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzoic acid;

3-(1-oxo-5-(1-(4-propylbenzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(4-(trifluoromethyl)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(difluoromethoxy)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((5-(trifluoromethyl)pyridin-2-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-(difluoromethoxy)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-(difluoromethoxy)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-cyclobutylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2,3-dihydrobenzo[b][1,4]dioxin-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2,3-dihydrobenzo[b][1,4]dioxin-6-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(tert-butyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-isobutylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

N-(4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)phenyl)acetamide;

3-(5-(1-((2,2-difluorobenzo[d][1,3]dioxol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((3,4-dihydro-2H-benzo[b][1,4]dioxepin-7-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(4-(tert-pentyl)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-([1,1′

-biphenyl]-4-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(1H-pyrazol-1-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(1H-imidazol-1-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-(1H-pyrazol-1-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-cyclohexylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyrimidin-2-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-bromobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-chlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,5-dichlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione

3-(5-(1-(4-chloro-3-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-chloro-4-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,4-difluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-methoxybenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(benzo[c][1,2,5]oxadiazol-5-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-cyclopropylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1,3-dihydroisobenzofuran-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(2-(trifluoromethyl)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-isopropoxybenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(4-(thiophen-3-yl)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-cyclopentylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(4-(pyrrolidin-1-yl)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-fluorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,4-dichlorobenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(quinolin-8-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-methyl-1H-pyrazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-pyrazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-methyl-1H-pyrazol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-pyrazol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-pyrrol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-imidazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-ethyl-1H-pyrazol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2-aminopyrimidin-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((6-aminopyridin-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((5-amino-1-methyl-1H-pyrazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((6-methylimidazo[2,1-b]thiazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(imidazo[1,2-a]pyrazin-3-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-([1,2,4]triazolo[1,5-a]pyridin-5-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyrazolo[1,5-a]pyridin-4-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1,4-dimethyl-1H-imidazol-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(benzo[d]thiazol-5-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(pyrazolo[1,5-a]pyrimidin-6-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(imidazo[1,2-a]pyrimidin-3-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(imidazo[1,2-a]pyrimidin-2-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-cyclobutyl-1H-1,2,3-triazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-indol-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-indazol-6-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-pyrrolo[2,3-b]pyridin-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzamide;

3-(5-(1-((1H-pyrrolo[2,3-b]pyridin-6-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((3,4-dihydro-2H-benzo[b][1,4]thiazin-6-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((2-(pyrrolidin-1-yl)pyrimidin-5-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2-(tert-butyl)thiazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((2-(thiophen-2-yl)thiazol-5-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((5-cyclopropyl-1H-pyrazol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2-morpholinopyrimidin-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((3-phenyl-1H-pyrazol-4-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((6-methyl-1H-indol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

methyl 4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)-1 H-pyrrole-2-carboxylate;

3-(1-oxo-5-(1-((3-(pyridin-3-yl)-1H-pyrazol-4-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((5-(pyridin-2-yl)-1H-pyrazol-3-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,5-difluoro-4-hydroxybenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-methylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-methylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,5-dimethylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-((2S)-1-benzyl-2-methylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-((2R)-1-benzyl-2-methylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzyl-2-methylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-methyl-1,2,3,6-tetrahydropyridin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((5,6,7,8-tetrahydronaphthalen-1-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(azepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-((R)-azepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-((S)-azepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((1,2,3,4-tetrahydronaphthalen-1-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

methyl 2-(4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)acetate;

3-(1-oxo-5-(1-phenylpiperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3-methylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,6-dimethylbenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((5,6,7,8-tetrahydronaphthalen-2-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

ethyl 2-(4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)acetate;

tert-butyl 2-(4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)acetate;

2-(4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)acetic acid;

3-(1-oxo-5-(1-(3,3,3-trifluoropropyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

2-(4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)-N-phenylacetamide;

3-(5-(1-(3-fluoropropyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

tert-butyl 4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)benzoate;

3-(5-(1-benzyl-3,3-dimethylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzyl-3-methylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-hydroxy-1-phenylethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-((S)-1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzyl-2,5-dihydro-1H-pyrrol-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzyl-2-oxopiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzyl-1,2,3,4-tetrahydroquinolin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-benzyl-1H-tetrazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((5-phenyl-1,3,4-oxadiazol-2-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(benzo[d]thiazol-2-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((3-(pyridin-2-yl)-1H-pyrazol-5-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((R)-2-hydroxy-1-phenylethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-methyl-1H-indazol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1,2,4-oxadiazol-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-hydroxy-3-((4-methylpiperazin-1-yl)methyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

2-(4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)phenyl)acetonitrile;

3-(5-(1-((7-hydroxy-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,2-difluoro-1-phenylethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((3-fluorobicyclo[1.1.1]pentan-1-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2-fluoro-1-phenylethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((4-oxo-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(quinolin-4-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(3,5-bis(trifluoromethyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

6-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)picolinonitrile;

2-(4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)phenoxy)acetonitrile;

3-(5-(1-((1H-indazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(2,2-difluoroethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

benzyl 4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidine-1-carboxylate;

3-(1-oxo-5-(1-(2-phenylacetyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(2,2,2-trifluoro-1-phenylethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(5-methylbenzo[d]thiazol-2-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(isoquinolin-1-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(4-methoxypiperidin-1-yl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(isopropylthio)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((S)-1-phenylethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

2-(4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)phenyl)acetic acid;

3-(5-(1-((7-fluoroquinolin-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((2-amino-4-(trifluoromethyl)thiazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)-1,2,4-oxadiazole-5-carboxamide;

3-(5-(1-(3-(morpholinosulfonyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

4-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)-N,N-dimethylbenzenesulfonamide;

3-(1-oxo-5-(1-(thiazol-4-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(quinoxalin-6-ylmethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(tert-butyl)benzoyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-((4-fluorobenzyl)oxy)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((3-methylisoxazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(isoxazol-3-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((R)-1-phenylethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-(methoxymethyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((S)-2-hydroxy-1-phenylethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(phenylsulfonyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((5-methyl-3-phenylisoxazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-((difluoromethyl)sulfonyl)benzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-(2,2,2-trifluoroethyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

methyl 2-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)oxazole-4-carboxylate;

3-(1-oxo-5-(1-(4-(pyridin-2-ylmethoxy)benzyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-acetylpiperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((2-oxo-2,3-dihydro-1H-benzo[d]imidazol-5-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzylpyrrolidin-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

(R)-3-(5-((R)-1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

(S)-3-(5-((S)-1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-methyl-2,3,6,7-tetrahydro-1H-azepin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(8-benzyl-8-azabicyclo[3.2.1]octan-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(8-azabicyclo[3.2.1]octan-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-acetyl-1,2,5,6-tetrahydropyridin-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

(R)-3-(5-((R)-1-acetylpyrrolidin-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-acetyl-1,2,3,6-tetrahydropyridin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(octahydroindolizin-7-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

(R)-3-(5-((S)-1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-((R)-1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-acetyl-2,5-dihydro-1H-pyrrol-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-methylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

(S)-3-(5-((R)-1-benzylazepan-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

(S)-3-(5-((R)-1-acetylpyrrolidin-3-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((6-isopropoxypyridin-3-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((1-phenyl-1H-pyrazol-5-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(4-ethoxybenzyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((1-phenyl-1H-pyrazol-4-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-isopropyl-1H-pyrazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-(isothiazol-5-ylmethyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-isopropyl-1H-pyrazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1H-pyrazol-5-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((5-isopropoxypyridin-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((1-(pyridin-3-yl)-1H-pyrazol-5-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

3-(1-oxo-5-(1-((1-(pyridin-3-yl)-1H-pyrazol-4-yl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

5-((4-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-5-yl)piperidin-1-yl)methyl)-2-fluorobenzonitrile;

3-(5-(1-((5-fluoropyridin-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

3-(5-(1-((1-ethyl-3-(pyridin-3-yl)-1H-pyrazol-4-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

trans-3-(1-oxo-5-(1-((4-(trifluoromethyl)cyclohexyl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

cis-3-(1-oxo-5-(1-((4-(trifluoromethyl)cyclohexyl)methyl)piperidin-4-yl)isoindolin-2-yl)piperidine-2,6-dione;

trans-3-(5-(1-((4-methoxycyclohexyl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione; and

3-(5-(1-((6-methoxypyridin-2-yl)methyl)piperidin-4-yl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione;

or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof.

16. A pharmaceutical composition comprising a therapeutically effective amount of a compound according to claim 1, or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof, and a pharmaceutically acceptable carrier or excipient.

17. The pharmaceutical composition of claim 16 further comprising at least one additional pharmaceutical agent.

19. A method of degrading IKZF2 comprising administering to the patient in need thereof a compound of claim 1, or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof.

20. A method of treating a disease or disorder that is affected by the modulation of IKZF2 protein levels comprising administering to the patient in need thereof a compound according to claim 1, or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof.

21. A method of modulating IKZF2 protein levels comprising administering to the patient in need thereof a compound according to claim 1, or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof.

22. A method of reducing the proliferation of a cell the method comprising, contacting the cell with a compound according to claim 1, or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof, and reducing IKZF2 protein levels.

23. A method of treating cancer comprising administering to the patient in need thereof a compound according to claim 1, or a pharmaceutically acceptable salt, hydrate, solvate, prodrug, stereoisomer, or tautomer thereof.

24. The method of claim 23, wherein the cancer is selected from non-small cell lung cancer (NSCLC), melanoma, triple-negative breast cancer (TNBC), nasopharyngeal cancer (NPC), microsatellite stable colorectal cancer (mssCRC), thymoma, carcinoid, and gastrointestinal stromal tumor (GIST).

25. The method of claim 23, wherein the cancer is a cancer for which the immune response is deficient or an immunogenic cancer.

26. A method for reducing IKZF2 protein levels in a subject comprising the step of administering to a subject in need thereof a therapeutically effective amount of a compound according to claim 1, or a pharmaceutically acceptable salt.

18. (canceled)

27-33. -33. (canceled)