(3R,5R,6S,8R,9S,10R,13S,14S)-3,6-dihydroxy-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one

5-beta-孕甾烷-3-alpha, 6-alpha-二醇-20-酮

氯甲烷

乙醚

3β,17-diacetoxy-21-nor-17βH-pregnen-(5)-oic acid-(20)-nitrile