Vardenafil IMpurity 1

Vardenafil IMpurity 2 N-Desethyl Vardenafil Hydroxyvardenafil Vardenafil Impurity 7 Vardenafil Vardenafil IMpurity 3 Vardenafil impurity A VARDENAFIL, DIHYDROCHLORIDE SALT Vardenafil Hydrochloride impurity Vardenafil Oxopiperazine (IMpurity) Vardenafil Acetyl Analogue Vardenafil BPC 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzoic Acid Hydroxythiovardenafil Vardenafil Impurity 15 Imidazo[5,1-f][1,2,4]triazin-4(1H)-one, 2-[5-[(4-ethyl-1-piperazinyl)sulfonyl]-2-propoxyphenyl]-5-methyl-7-propyl- Vardenafil Impurity 15 3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxybenzenesulfonic Acid