Standards; Pharmaceutical/API Drug Impurities/Metabolites;
應(yīng)用:
2-(2-Ethoxy-4-((4-((4-ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4,4a,5-tetrahydroimidazo[5,1-f][1,2,4]triazin-2-yl)phenyl)sulfonyl)piperazin-1-yl)sulfonyl)phenyl)-5-methyl-7-propyl-4a,5-dihydroimidazo[5,1-f][1,2,4]triazin-4(3H)-one is an impurity of Vardenafil (V098001), a selective phosphodiesterase type 5 (PDE5) inhibitor.