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Bis-1,4-[4-ethoxy-3-(6,7-dihydro1-methyl-7-oxo-3-propyl-1Hpyrazolo [4,3-d] pyrimidin-5-yl)- benzenesulfonyl] piperazine Bis-1,4-[4-ethoxy-3-(6,7-dihydro1-methyl-7-oxo-3-propyl-1Hpyrazolo [4,3-d] pyrimidin-5-yl)- benzenesulfonyl] piperazine
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Methyl-4-ethoxy-3-(6,7-dihydro1-methyl-7-oxo-3-propyl-1Hpyrazolo[4,3-d]pyrimidin-5- yl)benzenesulfonate Methyl-4-ethoxy-3-(6,7-dihydro1-methyl-7-oxo-3-propyl-1Hpyrazolo[4,3-d]pyrimidin-5- yl)benzenesulfonate
4-Ethoxy-3-(6,7-dihydro-1- methyl-7-oxo-3-propyl-1Hpyrazolo[4,3-d]pyrimidin-5- yl)benzene-1-sulfonyl chloride(or)5-(5-Chlorosulphonyl-2- ethoxyphenyl)-1-methyl-3-npropyl-1,6-dihydro-7H-pyrazolo [4,3-d] pyrimidine-7-one - Image 1
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4-Ethoxy-3-(6,7-dihydro-1- methyl-7-oxo-3-propyl-1Hpyrazolo[4,3-d]pyrimidin-5- yl)benzene-1-sulfonyl chloride(or)5-(5-Chlorosulphonyl-2- ethoxyphenyl)-1-methyl-3-npropyl-1,6-dihydro-7H-pyrazolo [4,3-d] pyrimidine-7-one

API : Sildenafil Citrate

CAS NO : 139756-22-2

IMPURUTY NAME : Sildenafil chlorosulfonyl impurity

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