(3b,5b,15a,16a)-15,16-二氢-3,5-二羟基-3’H-环丙并[15,16]雄甾-6,15-二烯-17-酮

二溴甲烷

二碘甲烷

(3b,15a,16a)-15,16-二氢-3-羟基-3’H-环丙[15,16]雄甾-5,15-二烯-17-酮

3β,7β-dihydroxy-15β,16β-methylene-5-androsten-17-one