英文别名2-(2-Ethoxyphenyl)-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one; 2-(2-ETHOXYPHENYL)-5-METHYL-7-PROPYL-3H-IMIDAZOL[5,1-F][1,2,4]-TRIAZIN-4-ONE; Vardenafil Dessulfonyl Impurity; Vardenafil Related Compound 1; Vardenafil INT; Imidazo[5,1-f][1,2,4]triazin-4(3H)-one,2-[2-ethoxylphenyl]-5-methyl-7; 2-(2-Ethoxyphenyl)-5-methyl-7-propyl-imidazo[5,1-f][1,2,4]triazin-4(1H)-one; 2-(2-ethoxyphenyl)-5-Methyl-7-propyliMidazo [5,1-f][1,2,4]triazin-4(3H)-one; IMidazo[5,1-f][1,2,4]triazin-4(1H)-one,2-(2-ethoxyphenyl)-5-Methyl-7-propyl-; 2-(2-Ethoxyphenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4-ol 
