(8S,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-11-methylene-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate

去氧孕烯

13-ethyl-gona-4-ene-11α,17β-diol

13-乙基-11-亚甲基-4-雌烯-17-酮

18a-homo-estr-4-ene-11,17-dione