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CAS号: 437717-43-6 英文名称: 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid 英文同义词: Vardenafil EP Imp B;Vardenafil EP Impurity B;Vardenafil Impurity 2(Vardenafil EP Impurity B);3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid;Benzenesulfonic acid, 3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxy- 中文名称: 伐地那非杂质 中文同义词: 伐地那非酸;伐地那非EP杂质B;伐地那非杂质B (EP);伐地那非去乙基哌嗪基磺酸 分子式: C17H20N4O5S 分子量: 392.43 密度 : 1.48±0.1 g/cm3(Predicted) 酸度系数(pKa): -0.81±0.50(Predicted)