发明人郭海燕,刘建华,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114578480 A, 授权公告日 2022-08-17.
发明人李文辉,罗永刚,赵玉洁. "Method for the Synthesis of 4-((2-Aminoethyl)(methyl)amino)butanoic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 111621306 B, 授权公告日 2023-02-10.
发明人徐明华,郭海燕,唐晓军. "A Process for Preparing High-Purity 4-((2-Aminoethyl)(methyl)amino)butanoic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 110620374 B, 授权公告日 2017-10-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2011, 783, (7), 3377-3398.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 1186, (7), 7985-7994.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 4-((2-Aminoethyl)(methyl)amino)butanoic acid dihydrochloride Using HRMS and NMR". Sci. Total Environ., 2015, 1246, 7147-7150.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2014, 112, (2), 9476-9498.