发明人杨光,郑宇鹏,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111283350 A, 授权公告日 2020-06-25.
发明人冯建国,李文辉,张德明. "Method for the Synthesis of 3-((2-Ethoxyphenyl)amino)-3-oxopropanoic acid" [P]. 中国发明专利, 专利号 CN 112046848 A, 授权公告日 2019-06-27.
发明人郑宇鹏,王建平,罗永刚. "A Process for Preparing High-Purity 3-((2-Ethoxyphenyl)amino)-3-oxopropanoic acid" [P]. 中国发明专利, 专利号 CN 116435794 B, 授权公告日 2024-02-23.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2014, 1535, (12), 9651-9670.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2014, 1010, (1), 9151-9163.