Synonyms: | Hydroxythioacetildenafil;1-[3-(6,7-Dihydro-1-Methyl-3-propyl-7-thioxo-1H-pyrazolo[4,3-d]pyriMidin-5-yl)-4-ethoxyphenyl]-2-[4-(2-hydroxyethyl)-1-piperazinyl]ethanone;5-[2-Ethoxy-5-[2-[4-(2-hydroxyethyl)-1-piperazinyl]acetyl]phenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-7-thio-pyrazolo[4,3-d]pyriMidine |