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CAS号: 1391053-95-4 英文名称: 5-[2-Ethoxy-5-[(4-Methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-(2-Methylpropyl)-7H-pyrazolo[4,3-d]pyriMidin-7-one 英文同义词: Sildenafil A;Isobutyl Sildenafi;Isobutyl Sildenafil;Sildenafil EP IMpurity A;Isomer of Isobutyl Sildenafil;Sildenafil Related CoMpound A;Sildenafil Impurity 1(Sildenafil EP Impurity A);Sildenafil EP Impurity A (Sildenafil USP Related Compound A, Isobutyl Sildenafil);5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one;(5-(2-ETHOXY-5(4-METHYL PIPERAZINE-1-YL SULFONYL)PHENYL)-1-METHYL-3-PROPYL-6 7- DIHYDRO-1H-PYRAZOLO-4 3-D)PYRIMIDIN-7-ON 中文名称: 西地那非杂质A 中文同义词: 异丁基西地那非;西地那非杂质A;西地那非EP杂质A;枸橼酸西地那非杂质A;异丁基西地那非异构体;西地那非欧洲药典杂质A;西地那非杂质A (EP);西地那非杂质SD-B对照 品(1-[3-(6,7-二氢-1-甲 基-7-氧代-3-异丁基-1H- 吡唑并[4,3-D]-5-嘧啶基) -4-乙氧基苯磺酰基]-4-甲 基哌嗪) 分子式: C23H32N6O4S 分子量: 488.6 形态: neat InChIKey: LOAKEZDPQAIDEB-UHFFFAOYSA-N 海关编码 : 2933599550