5-[2-Ethoxy-5-[(4-methyl-4- oxidopiperazin-1-yl)sulfonyl] phenyl]-1-methyl-3-propyl-1,6- dihydro-7H-pyrazolo[4,3-d] pyrimidin-7-one

API : Sildenafil Citrate

CAS NO : 1094598-75-0

IMPURUTY NAME : Sildenafil N-oxide impurity

Category: