环戊二烯

5-苯基-1-戊烯

(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl (2-(trimethylsilyl)ethyl) carbonate

丁烯缩醛

乙醛