224785-98-2

Hydroxyvardenafil Vardenafil impurity C Vardenafil Hydroxy Impurity Hydroxyvardenafil USP/EP/BP Vardenafil Hydroxyethyl Impurity Hydroxy Vardenafil Solution, 100ppm 2-[2-ethoxy-5-[4-(2-hydroxyethyl)piperazin-1-yl]sulfonylphenyl]-5-methyl-7-propyl-1H-imidazo[5,1-f][1,2,4]triazin-4-one 2-[2-Ethoxy-5-[[4-(2-hydroxyethyl)-1-piperazinyl]sulfonyl]phenyl]-5-Methyl-7-propyliMidazo[5,1-f][1,2,4]triazin-4(1H)-one 4-[[3-(1,4-Dihydro-5-Methyl-4-oxo-7-propyliMidazo [5,1-f][1,2,4]triazin-2-yl)-4-ethoxyphenyl]sulfonyl]-1-piperazineethanol Imidazo[5,1-f][1,2,4]triazin-4(1H)-one, 2-[2-ethoxy-5-[[4-(2-hydroxyethyl)-1-piperazinyl]sulfonyl]phenyl]-5-methyl-7-propyl-