(3α,5β)-6-甲基乙烯基-3-羟基-7-氧-胆烷酸苄酯

(R)-Benzyl 4-((3R,5R,8S,9S,10R,13R,14S,17R,E)-6-ethylidene-3-hydroxy-10,13-dimethyl-7-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate