CPC Class Codes
A61K 31/416
condensed with carbocyclic ...
A61K 31/454
containing a five-membered ...
A61K 31/496
Non-condensed piperazines c...
A61K 31/502
ortho- or peri-condensed wi...
A61K 31/5025
ortho- or peri-condensed wi...
A61K 31/517
ortho- or peri-condensed wi...
A61K 31/519
ortho- or peri-condensed wi...
A61K 31/55
having seven-membered rings...
A61K 31/7068
having oxo groups directly ...
A61K 38/07
Tetrapeptides
A61P 35/00
Antineoplastic agents
C07D 213/82
in position 3
C07D 237/34
with nitrogen atoms directl...
C07D 239/80
Oxygen atoms
C07D 275/04
condensed with carbocyclic ...
C07D 401/04
directly linked by a ring-m...
C07D 401/14
containing three or more he...
C07D 403/04
directly linked by a ring-m...
C07D 417/04
directly linked by a ring-m...
C07D 417/12
linked by a chain containin...
C07D 471/04 :
Ortho-condensed systems
C07D 475/00 :
Heterocyclic compounds cont...
C07D 487/04 :
Ortho-condensed systems
C07D 487/08 :
Bridged systems
C07D 487/10 :
Spiro-condensed systems
C07D 513/04 :
Ortho-condensed systems
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