SDFD9: Sildenafil RC 49

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

CAS # 147676-99-1 ;

C17H19N5O4 ;
Mol. Wt.: 357.36 ;