(5A,11B,17B)-11-[4-(二甲基氨基)苯基]-5,17-二羟基-17-(1-丙炔基)雌甾-9-烯-3-酮环缩乙二醇

(5Alpha,11Beta,17Beta)-11-[4-(Dimethylamino)Phenyl]-5,17-Dihydroxy-17-(1-Propynyl)-Estr-9-En-3-One Cyclic 1,2-Ethanediyl Acetal