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CAS号: 171489-03-5 英文名称: (6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione 英文同义词: Tadalafil Catechol;Tadalafil IMpurity K;Tadalafil Impurity 48;Tadalafil Impurity 43;DesMethylene Tadalafil;Tadalafil IMpurity: IMpurity I;Tadalafil Desmethylene Impurity;(6R,12aR)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;(6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione;(6R,12aR)-6-(3,4-Dihydroxyphenyl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b]indole-1,4-dione 中文名称: 他达拉非杂质K 中文同义词: 他达拉非杂质K;他达拉非儿茶酚;他达拉非杂质48;他达拉非二甲基杂质;他达拉非去甲基杂质;他达拉非DESMETHYLENE IMPURITY 分子式: C21H19N3O4 分子量: 377.39 沸点 : 735.3±60.0 °C(Predicted) 密度 : 1.56±0.1 g/cm3(Predicted) 酸度系数(pKa): 9.58±0.10(Predicted)