Fischer A B, O'Brien P Q, Roberts E F. "一种的合成方法" [P]. US Patent, US 10577155 B2, 2021-01-23.
发明人林芳,韩伟,孙丽萍. "Method for the Synthesis of 4-[(2-methoxyethyl)(methyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 114501652 A, 授权公告日 2017-03-03.
发明人郭海燕,高志强,何建平. "A Process for Preparing High-Purity 4-[(2-methoxyethyl)(methyl)amino]benzoic acid" [P]. 中国发明专利, 专利号 CN 117972172 A, 授权公告日 2018-09-09.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2013, 704, (12), 3340-3348.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2018, 148, 6464-6491.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(2-methoxyethyl)(methyl)amino]benzoic acid Using HRMS and NMR". J. Sep. Sci., 2018, 117, (4), 4169-4178.