Acetic acid 2-((6R,7S,8R,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-20-oxa-cyclopropa[6,7]cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester 生成
6-Fluor-21-acetoxy-pregnadien-(4,6)-ol-(17α)-dion-(3,20)