API |
IMPURITY |
CHEMICAL NAME |
STRUCTURE |
Vardenafil Hydrochloride |
Vardenafil Impurity |
2(2-ethoxyphenyl)-5-methyl-7-propyl-3,4-dihydroimidazo[5,1-f][1,2,4]triazin-4-one |  |
Vardenafil Hydrochloride |
Vardenafil Impurity |
4-[2-Ethoxy-5-(4-ethylpiperazin-1-yl)sulfinyl-phenyl]-9-methyl-7- propyl-3,5,6,8-tetrazabicyclo[4.3.0]nona-3,7,9-trien-2-one |  |