发明人周伟,何建平,李文辉. "Method for the Synthesis of 4-((2-(Dimethylamino)ethyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 114049868 B, 授权公告日 2015-12-18.
发明人高志强,王建平,林芳. "A Process for Preparing High-Purity 4-((2-(Dimethylamino)ethyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 111372213 A, 授权公告日 2019-04-22.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2018, 1682, (3), 386-392.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 820, 524-552.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 4-((2-(Dimethylamino)ethyl)amino)-4-oxobutanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2014, 970, (9), 6524-6537.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2023, 1092, (10), 3054-3084.