发明人何建平,钱学锋,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115594812 A, 授权公告日 2019-07-24.
发明人罗永刚,沈红梅,李文辉. "Method for the Synthesis of 4-(Butyl(methyl)amino)benzoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 114010457 A, 授权公告日 2016-02-16.
发明人罗永刚,唐晓军,冯建国. "A Process for Preparing High-Purity 4-(Butyl(methyl)amino)benzoic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 108778906 A, 授权公告日 2022-06-15.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2025, 88, (12), 6974-6999.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2014, 80, (11), 4697-4716.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Butyl(methyl)amino)benzoic acid hydrochloride Using HRMS and NMR". Chemosphere, 2011, 1048, (3), 5041-5051.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2012, 1626, (12), 5008-5025.