(8R,9S,13S,14S,17S)-13-乙基-3-甲氧基-6,7,8,9,11,12,14,15,16,17-十氢环戊烯并[a]菲-17-醇

18-甲基-11-亚甲基雌甾-4-烯-3,17-二酮

18-甲基美雌醇