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英文名称: | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one |
英文别名: | 5-(5-Carboxy-2-ethoxyphenyl)-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one;4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzoic acid;5-(5-Carboxy-2-Ethoxyphenyl)-1-mpyrazolo[4,3-d]pyrimidin-7-one;Sildenafil Impurity 4;3-(6,7-Dihydro-1-Methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxy-benzoic Acid |
中文别名: | 5-(5-羧基-2-乙氧基苯基)-1-甲基-3-n-丙基-1,6-二氢-7h-吡唑并[4,3-d]嘧啶-7-酮;西地那非杂质4 |
CAS No.: | 147676-78-6 |
分子式: | C18H20N4O4 |
分子量: | 356.38 |
纯度: | ≥99% |