10β-bromo-5α-hydroxyestra-3,17-dione bis(ethylene ketal)

3,17-Dioxo-19-nor-androsten-(5(10))-bis-aethylenketal

(17B)-3-甲氧基雌甾-2,5(10)-二烯-17-醇

(3R,5R,8R,9R,10S,13S,14S,17S)-13-methyl-1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,17-hexadecahydrocyclopenta[a]phenanthrene-3,17-diol

3α,17β-dihydroxy-3β-methylestra-4-ene