SDFE4: Sildenafil RC 54

5-(5-(4-(2-Hydroxyethyl)piperazin-1-ylsulfonyl)-2-propoxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one ;

CAS # 139755-87-6 ;

C24H34N6O5S ;
Mol. Wt.: 518.63 ;