Synonyms: | 13-Ethyl-3-methoxygona-1,3,5(10)-trien-17-one;18-Methylestrone methyl ether;(8R,9S,13S,14S)-13-ethyl-3-
methoxy-6,7,8,9,11,12,13,14,15,16
-decahydro-17H-cyclopenta[a]phenanthren-17-one;ETHYLMETRIENONE;Norgestrel Impurity 1;Norgestrel-1;Levonorgestrel Impurity 4 (Ethylmetrienone);Gona-1,3,5(10)-trien-17-one, 13-ethyl-3-methoxy- (7CI,8CI,9CI) |