发明人李文辉,黄志刚,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111554516 A, 授权公告日 2016-05-22.
发明人林芳,韩伟,张德明. "Method for the Synthesis of Methyl 5-chloro-2-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114833477 A, 授权公告日 2022-07-02.
发明人郑宇鹏,刘建华,赵玉洁. "A Process for Preparing High-Purity Methyl 5-chloro-2-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111230563 A, 授权公告日 2021-04-04.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 1325, 5579-5591.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 2165, (9), 3597-3616.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 5-chloro-2-methyl-6-oxo-1,6-dihydropyridine-3-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2017, 1779, 8848-8860.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2017, 658, 2178-2183.