Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用
4-(Butylamino)benzoic Acid Ethyl Ester is an N-alkylated ester derivative of aminobenzoic acid. 4-(Butylamino)benzoic Acid Ethyl Ester is an impurity of Benzonatate (B204500).
参考文献
Brantner, A. et al.: Int. Symp. Chromatogr. Electrophor., Lect. Pap., 6, 401 (1971);