| 英文同义词: | 3-(6,7-Dihydro-2-Methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride;DeMethylpiperazinyl Iso Sildenafil Sulfonyl Chloride;Sildenafil Chlorosulfone 2-Methyl Isomer;Sildenafil Impurity 6;4-ethoxy-3-(2-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride;Chlorosulfone 2-Methyl Isomer;Benzenesulfonyl chloride, 3-(6,7-dihydro-2-methyl-7-oxo-3-propyl-2H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-;4-ethoxy-3-(2-methyl-7-oxo-3-propyl-6,7-dihydro-2H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride |