发明人何建平,韩伟,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116571001 A, 授权公告日 2019-01-04.
发明人何建平,钱学锋,黄志刚. "Method for the Synthesis of 5-((4-((2-(4-Methoxyphenyl)-2-oxoethoxy)carbonyl)phenyl)amino)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 114981199 A, 授权公告日 2015-02-19.
发明人郑宇鹏,徐明华,何建平. "A Process for Preparing High-Purity 5-((4-((2-(4-Methoxyphenyl)-2-oxoethoxy)carbonyl)phenyl)amino)-5-oxopentanoic acid" [P]. 中国发明专利, 专利号 CN 111913161 A, 授权公告日 2016-05-15.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2015, 541, 3191-3218.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2018, 2349, 6482-6501.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-((4-((2-(4-Methoxyphenyl)-2-oxoethoxy)carbonyl)phenyl)amino)-5-oxopentanoic acid Using HRMS and NMR". J. Chromatogr. A, 2019, 1202, 9130-9149.