substituted in positions 10 and 13 by a chain having at least one carbon atom, e.g. androstane, testosterone

Introduced: January 2000

Last revised: January 2006

Full Title

Medicinal preparations containing organic active ingredients > Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids > not substituted in position 17 beta by a carbon atom, e.g. oestrane, oestradiol > substituted in positions 10 and 13 by a chain having at least one carbon atom, e.g. androstane, testosterone

Classification Context

Section:: HUMAN NECESSITIES
Class:: MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

2 direct subcodes

Child Classifications

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A61K 31/5685 having an oxo group in position 17, e.g. androsterone
A61K 31/569 substituted in position 17 alpha, e.g. ethisterone