DIFF Main Group
C07J 63/00 Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
Introduced: July 1974
Title
Titles differ between systems:
IPC: Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
CPC: Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
Full Title
Full titles differ between systems:
IPC:
Steroids in which the cyclopenta[a]hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
CPC:
Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.
Child Classifications
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