Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
3-Methoxy-4-[[5-[(methoxycarbonyl)amino]-1-methyl-1H-indol-3-yl]methyl]benzoic Acid is an impurity of Zafirlukast (Z125000), a potent, selective and orally active cysteinyl leukotriene type 1 receptor antagonist. Used as an antiasthmatic.