2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one224789-21-3100 % similar Pseudovardenafil224788-34-565 % similar Vardenafil224785-90-462 % similar Vardenafil hydrochloride224785-91-559 % similar Vardenafil hydrochloride trihydrate330808-88-357 % similar 5-(2-Ethoxyphenyl)-1-methyl-3-N-propyl-1,6-dihydro-7H-pyrazolo[4,3-D]-7-pyrimidinone139756-21-148 % similar Vardenafil dihydrochloride224789-15-541 % similar 2-(2-Ethoxyphenyl)-4,5-diphenyl-1H-imidazole5496-42-437 % similar 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one139756-22-235 % similar Sildenafil139755-83-233 % similar Aildenafil496835-35-932 % similar 1,2-Diethoxybenzene2050-46-632 % similar Acetildenafil831217-01-732 % similar 1-(2-Bromoethoxy)-2-ethoxybenzene3259-03-831 % similar