sildenafil citrate
Viagra; 5-[2-Ethoxy-5-(4-methylpiperazin-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazol[4,3d]pyrimidin-7-one citrate; 5-{2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 2-hydroxypropane-1,2,3-tricarboxylate (1:1); 5-{2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}-3-propyl-2,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one
C21H28N6O4S
460.5498
698.72°C at 760 mmHg
0mmHg at 25°C
376.372°C