Lefèvre J P, Johansson L, Sørensen M. "Method for the Synthesis of Ethyl 2-((4-methylpyridin-2-yl)amino)-2-oxoacetate" [P]. European Patent, EP 3753332 A1, 2023-04-27.
发明人郑宇鹏,马晓峰,罗永刚. "A Process for Preparing High-Purity Ethyl 2-((4-methylpyridin-2-yl)amino)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 109084966 A, 授权公告日 2018-02-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2013, 1920, (4), 1274-1300.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 2139, (2), 7281-7298.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 2-((4-methylpyridin-2-yl)amino)-2-oxoacetate Using HRMS and NMR". Anal. Chim. Acta, 2019, 342, 2028-2032.