| Synonym | Desethyl Sildenafil, 5-[2-Hydroxy-5-(4-Methylpiperazinylsulphonyl)phenyl]1-Methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyraMidin-7-one, 5-[2-Hydroxy-5-[[4-(Methyl)-1-piperazinyl]sulfonyl]phenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one, Sildenafil EP IMpurity C, 5-[2-Hydroxy-5-(4-methylpiperazinylsulfonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, O-Desethyl sildenafil, Sildenafil impurity C, 5-(2-Hydroxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo(4,3-d)pyrimidin-7-one, 7H-Pyrazolo(4,3-d)pyrimidin-7-one, 1,6-dihydro-5-(2-hydroxy-5-((4-methyl-1-piperazinyl)sulfonyl)phenyl)-1-methyl-3-propyl-, o-Desethyl sildenafil, Sildenafil citrate impurity C [EP], UNII-2TEH1FB1FX |
