英文别名Estriol EP Impurity I; 3-Hydroxy-17-oxa-17a-homoestra-1,3,5(10)-trien-17a-one; 3-Hydroxy-17-oxa-D-homoestra-1,3,5(10)-trien-17a-one; (4aS,4bR,10bS,12aS)-8-hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-1H-naphtho[2,1-f]isochromen-1-one; Estriol Impurity 9 (Estriol EP Impurity I); (12aS)-8-Hydroxy-12a-methyl-3,4,4a,4b,5,6,10b,11,12,12a-decahydro-1H-naphtho[2,1-f]isochromen-1-one 
