394222-30-1

Fexofenadine Impurity 26 Fexofenadine Impurity 31 FEXOFEDINE IMPURITY-A OF FFA-1 Methyl 4-(4-hydroxy-1-oxobutyl)-α,α-dimethylphenylacetate Methyl 2-(4-(4-Hydroxybutanoyl)phenyl)-2-methylpropanoate Methyl 4-(4-hydroxy-1-oxobutyl)-α,α-dimethylphenylacetate Benzeneacetic acid, 4-(4-hydroxy-1-oxobutyl)-α,α-dimethyl-, methyl ester Benzene aceticacid,4-(4-hydroxy-1-oxobutyl)-alpha,alpha-dimethyl-,methylester