Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids

Full Title

Medicinal preparations containing organic active ingredients > Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids

Classification Context

Section:

HUMAN NECESSITIES

Class:

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Subclass:

PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

Child Classifications

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• A61K 31/565 not substituted in position 17 beta by a carbon atom, e.g. oestrane, oestradiol
• A61K 31/57 substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone
• A61K 31/575 substituted in position 17 beta by a chain of three or more carbon atoms, e.g. cholane, cholestane, ergosterol, sitosterol
• A61K 31/58 containing heterocyclic rings, e.g. danazol, stanozolol, pancuronium or digitogenin