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

乙醇钠

水合肼

石胆酸

乙醇