N,N-二甲基甲酰胺 、 Acetic acid 2-((8S,9S,10R,13S,14S,17R)-17-hydroxy-3-methoxy-10,13-dimethyl-11-oxo-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxo-ethyl ester 生成
3-Methoxy-6-formyl-11-oxo-17α-hydroxy-21-acetoxy-pregnadien-(3,5)-on-(20)