VDF39: Vardenafil Chlorosulfone Impurity

4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzenesulfonyl chloride ;

CAS # 224789-26-8 ;

C17H19ClN4O4S ;

Mol. Wt.: 410.88 ;