(13ALPHA,14BETA,17ALPHA,20S,21R,23R,24S)-24,25-环氧基-23-羟基-23-甲氧基-3-氧代羊毛甾-7-烯-21-醛环 21,23-(甲基乙缩醛)

21,23:24,25-Diepoxy-21,23- diMethoxytirucall-7-en-3-one · CAS 1351617-74-7