发明人冯建国,郑宇鹏,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117355423 A, 授权公告日 2024-10-28.
发明人高志强,沈红梅,刘建华. "Method for the Synthesis of 4-((4-Ethoxyphenyl)amino)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 112513634 A, 授权公告日 2019-09-08.
Fischer A B, Lee S K, Stevens L M. "A Process for Preparing High-Purity 4-((4-Ethoxyphenyl)amino)-4-oxobutanoic acid" [P]. US Patent, US 10875749 B2, 2015-09-12.
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". J. Agric. Food Chem., 2025, 2322, 4571-4601.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2024, 2443, (5), 5192-5210.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-((4-Ethoxyphenyl)amino)-4-oxobutanoic acid Using HRMS and NMR". Environ. Sci. Technol., 2023, 843, 7346-7367.