DIFF Subgroup
A61K 31/59 Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
Introduced: July 1974
Title
Titles differ between systems:
IPC: Compounds containing 9,10-seco-cyclopenta[a]hydro- phenanthrene ring systems
CPC: Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
Full Title
Full titles differ between systems:
IPC:
Medicinal preparations containing organic active ingredients > Compounds containing 9,10-seco-cyclopenta[a]hydro- phenanthrene ring systems
CPC:
Medicinal preparations containing organic active ingredients > Compounds containing 9, 10- seco- cyclopenta[a]hydrophenanthrene ring systems
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2000.
Child Classifications
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- A61K 31/592 9,10-Secoergostane derivatives, e.g. ergocalciferol, i.e. vitamin D2 since 2000 IPC+CPC Available in IPC and CPC
- A61K 31/593 9,10-Secocholestane derivatives, e.g. cholecalciferol, i.e. vitamin D3 since 2000 IPC+CPC Available in IPC and CPC