N-Desethyl-N-Methyl Vardenafil

Chemical Name: Imidazo[5,​1-​f]​[1,​2,​4]​triazin-​4(1H)​-​one, 2-​[2-​ethoxy-​5-​[(4-​methyl-​1-​piperazinyl)​sulfonyl]​phenyl]​-​5-​methyl-​7-​propyl-; 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-methyl- (9CI) 2-[2-Ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(1H)-one