171599-83-0,Sildenafilcitrate,Viagra,Sildenafilcitrate;1-[[3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine,2-hydroxy-1,2,3-propanetricarboxylate;1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazinecitratesalt;5-[2-Ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[5,4-e]pyrimidin-7-onecitratesalt;SildenafilCitrate(100mg);Sildenafilcitrate,>=99%;Sildenafilcitrate,Professionalsupply;5-[2-Ethoxy-5-[(4-methyl-piperazin-1-yl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-onecitrate