13-ethyl-11-methylenegon-4-ene-3,17-dione cyclic 3-(1,2-ethanediyl dithioacetal)

11a-羟基-18-甲基雌甾-4-烯-3,17-二酮

13β-ethyl-gona-5-ene-3,11,17-trione-3,17-diethylene ketal

11,11-Methylen-18-methyl-Δ4-oestren-3,17-dion

D-13β-Ethyl-3,3-ethylenedithio-11-methylenegon-4-ene-17α-ol