SDFC1: Sildenafil RC 31

5-(2-Ethoxy-5-(1-ethylpiperazine-4-carbonyl)phenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one ;

CAS # 944241-52-5 ;

C24H32N6O3 ;
Mol. Wt.: 452.55 ;