9,10-Secoergostane derivatives, e.g. ergocalciferol, vitamin D

Full Title

Medicinal preparations containing organic active ingredients > Compounds containing 9,10-seco-cyclopenta[a]hydro- phenanthrene ring systems > 9,10-Secoergostane derivatives, e.g. ergocalciferol, vitamin D

Classification Context

Section:

HUMAN NECESSITIES

Class:

MEDICAL OR VETERINARY SCIENCE; HYGIENE

Subclass:

PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES