Standards; Pharmaceutical/API Drug Impurities/Metabolites;
應(yīng)用:
Methyl 4-(4-hydroxy-1-oxobutyl)-α,α-dimethylphenylacetate, is an impurity of Fexofenadine (F322490), an active metabolite of Terfenadine (T114500), a H1-histamine receptor antagonist.