英文别名16-Oxo Ethynyl Estradiol; 16-Oxoethinylestradiol; 16-Oxo-ethinylestradiol; Ethinyl Estradiol Impurity H; 16-Ketoethinylestradiol; (8R,9S,13S,14S,17R)-17-ethynyl-3,17-dihydroxy-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-16-one 
