SDFA5: Sildenafil RC 15

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

CAS # 479074-07-2 ;

C17H19ClN4O3S2 ;
Mol. Wt.: 426.94 ;