Standards; Isotopic Labeled Analogues; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
Zafirlukast Impurity H-d11 is the isotope labelled analog of Zafirlukast Impurity H (Z125035); an impurity of Zafirlukast (Z125000) which is a potent, selective and orally active cysteinyl leukotriene type 1 receptor antagonist. Used as an antiasthmatic.