VDF57: Vardenafil 5,7-Dimethyl Impurity

2-(2-Ethoxyphenyl)-5,7-dimethylimidazo[1,5-f][1,2,4]triazin-4(3H)-one ;

CAS # 224789-20-2 ;

C15H16N4O2 ;
Mol. Wt.: 284.31 ;