Acetic acid (3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-1-methyl-6-oxo-heptyl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 生成
Acetic acid (3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-((R)-1-methyl-6-oxo-heptyl)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl ester