SDF53: Sildenafil RC 3

4-Ethoxy-3-(1-methyl-3-propyl-7-thioxo-6,7-dihydro-1H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid ;

CAS # 1353018-10-6 ;

C17H20N4O4S2 ;
Mol. Wt.: 408.5 ;