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CAS号: 54024-17-8 英文名称: 18-Methyl-11-methyleneestr-4-ene-3,17-dione 英文同义词: 18-Methyl-11-me;Etonogestrel Impurity 3;Etonogestrel Related CoMpound A;18-Methyl-11-methyleneestr-4-ene-3,17-dione;Gon-4-ene-3,17-dione, 13-ethyl-11-Methylene-;18-Methyl-11-methyleneestr-4-ene-3,17-dione fandachem;(8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phe;(8S,9S,10R,14S)-13-Ethyl-11-methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenan;(8S,9S,10R,14S)-13-Ethyl-11-Methylene-7,8,9,10,11,12,13,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione 中文名称: 18-甲基-11-亚甲基雌甾-4-烯-3,17-二酮 中文同义词: 双酮物;依托孕烯杂质3;依托孕烯相关物质A;依托孕烯相关化合物A(USP);18-甲基-11-亚甲基雌甾-4-烯-3,17-二酮 分子式: C20H26O2 分子量: 298.42 密度 : 1.11 海关编码 : 2937230000