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CAS号: 126939-27-3 英文名称: 4-Hydroxy Ketotifen 英文同义词: 4-Hydroxy Ketotifen;Ketotifen EP Impurity C;Ketotifen Impurity 3(Ketotifen EP Impurity C）;4,9-Dihydro-4-hydroxy-4-(1-Methyl-4-piperidinyl)-;10-hydroxy-10-(1-methylpiperidin-4-yl)-5H-benzo[1,2]cyclohepta[3,4-b]thiophen-4-one;4-hydroxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one 中文名称: 酮替芬EP杂质C 中文同义词: 4-羟基酮替芬;酮替芬EP杂质C;酮替芬杂质C(EP) 分子式: C19H21NO2S 分子量: 327.44