三氯乙烯

环己醇

三甲基氯硅烷

1-bromo-1-methoxy-4-methylpent-1-ene

(3S,8R,9S,10R,13S,14S,Z)-3-((tert-butyldimethylsilyl)oxy)-17-ethylidene-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,17-tetradecahydro-16H-cyclopenta[a]phenanthren-16-one