Vardenafil HCl

Chemical Name: Imidazo[5,​1-​f]​[1,​2,​4]​triazin-​4(1H)​-​one, 2-​[2-​ethoxy-​5-​[(4-​ethyl-​1-​piperazinyl)​sulfonyl]​phenyl]​-​5-​methyl-​7-​propyl-​, hydrochloride (1:1); Piperazine, 1-[[3-(1,4-dihydro-5-methyl-4-oxo-7-propylimidazo[5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-4-ethyl-, monohydrochloride (9CI); Levitra; Vardenafil hydrochloride