Dehydrocholsaeuremethylester-3,3-dimethylacetal

水

(2R,3R,6R)-2,3-二羟基-6-[(3R,5R,8R,9S,10S,13R,14S,17R)-3-羟基-10,13-二甲基十六碳氢-1H-环戊二烯并[a]菲-17-基]庚酸