3β-acetoxy-20,20-ethanediyldioxy-5,6α-epoxy-5α-pregnan-17-ol

[(8R,9S,10R,13S,14S,17R)-17-乙酰基-3-甲氧基-6,10,13-三甲基-1,2,7,8,9,11,12,14,15,16-十氢环戊烯并[a]菲-17-基]乙酸酯

6-methylpregn-5-ene-3β,17α-diol-20-one 17-acetate

四氯对醌

叔丁醇