英文别名4-Methyl-oestradiol; 4-methylestradiol; (17β)-4-Methylestra-1,3,5(10)-triene-3,17-diol; (8R,9S,13S,14S,17S)-4,13-diMethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol; Estradiol Impurity C; Estradiol EP Impurity C; Estradiol Impurity 3; 4-Methylestra-1,3,5(10)-triene-3,17-diol; (8R,9S,13S,14S,17S)-4,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol 
