Synonym
2-(2-ethoxy-5-((4-ethylpiperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-phenylimidazo[5,1-f][1,2,4]triazin-4(1H)-one|2-[2-Ethoxy-5-[(4-ethyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-phenylimidazo[5,1-f][1,2,4]triazin-4(1H)-one;|N A|Vardenafil Benzoyl Impurity