Sildenafil Systematic (IUPAC) name 1-[4-ethoxy-3-(6,7-dihydro-1-methyl- 7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl) phenylsulfonyl]-4-methylpiperazine citrate Identifiers CAS number 171599-83-0 ATC code G04BE03 PubChem 5281023 DrugBank APRD00556 Chemical data Formula C22H30N6O4S · C6H8O7 Mol. weight base: 474.6 g/mol salt: 666.7 g/mol SMILES O=S(=O)(N1CCN(C)CC1)c4cc(C=2NC(=O) c3n(C)nc(CCC)c3N=2)c(OCC)cc4 Pharmacokinetic data Bioavailability  ? Me ...
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... Viagra is used to treat impotence in men. Viagra increases the body’s ability to achieve and maintain an erection during sexual stimulation. Viagra does not protect you from getting sexually tran...
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