5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4-e]pyrimidin-7-one; 2-hydroxypropane-1,2,3-tricarboxylic acid citric acid; 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonyl-phenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4-e]pyrimidin-7-one citric acid; 5-[2-ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4-e]pyrimidin-7-one 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonyl-phenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4-e]pyrimidin-7-one; 2-hydroxypropane-1,2,3-tricarboxylic acid 171599-83-0 D02229 Revatio (TN) 1-((3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-methylpiperazine citrate (1:1) Piperazine, 1-((3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-methyl-, 2-hydroxy-1,2,3-propanetricarboxylate (1:1) Revatio Sildenafil citrate Sildenafil citrate [USAN] UK 92480-10 VIAGRA Sildenafil citrate (JAN/USAN) Penegra UK-92480 UK-92480-10 Wan Ai Ke Viagra (TN) LS-111685 Patrex