CPC Class Codes
A61K 31/506
not condensed and containin...
A61K 31/5377
not condensed and containin...
A61K 31/5386
spiro-condensed or forming ...
A61P 35/00
Antineoplastic agents
A61P 35/02
specific for leukemia
A61P 43/00
Drugs for specific purposes...
C07D 241/40
Benzopyrazines
C07D 241/42
with only hydrogen atoms, h...
C07D 241/44
with hetero atoms or with c...
C07D 271/12
condensed with carbocyclic ...
C07D 401/12
linked by a chain containin...
C07D 401/14
containing three or more he...
C07D 403/12
linked by a chain containin...
C07D 403/14
containing three or more he...
C07D 405/12
linked by a chain containin...
C07D 405/14
containing three or more he...
C07D 413/04
directly linked by a ring-m...
C07D 413/12
linked by a chain containin...
C07D 413/14
containing three or more he...
C07D 417/12
linked by a chain containin...
C07D 471/04 :
Ortho-condensed systems
C07D 473/40 :
with halogen atoms or perha...
C07D 475/00 :
Heterocyclic compounds cont...
C07D 487/04 :
Ortho-condensed systems
C07D 491/048 :
the oxygen-containing ring ...
C07D 491/052 :
the oxygen-containing ring ...
C07D 491/056 :
with two or more oxygen ato...
C07D 491/08 :
Bridged systems
C07D 498/08 :
Bridged systems
C07D 513/04 :
Ortho-condensed systems
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