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

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

Child Classifications

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• A61K 31/565 not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
• 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 (digitoxin )