(8S,11R,13S,14S,17R)-17-乙酰基-11-(4-(二甲基氨基)苯基)-17-羟基-13-甲基-6,7,8,11,12,13,14,15 ,16,17-十氢-1H-环戊二烯并[a]菲-3(2H)-酮,99+%