SDFB7: Sildenafil RC 27

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

CAS # 501120-40-7 ;

C17H20N4O2 ;
Mol. Wt.: 312.37 ;