17,17-((2,2-dimethyl)propane-1,3-dioxy)-18a-homo-estr-4-en-11-one

11α,17β-Dihydroxy-18a-homo-estr-4-en-3-one

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