Nielsen H, Jørgensen K, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3154049 A1, 2022-08-03.
发明人钱学锋,胡光,何建平. "Method for the Synthesis of Diethyl 5-Hydroxy-6-methylpyridine-3,4-dicarboxylate HCl" [P]. 中国发明专利, 专利号 CN 111213896 B, 授权公告日 2024-04-21.
Yamamoto T, Mueller T, Kumar R. "A Process for Preparing High-Purity Diethyl 5-Hydroxy-6-methylpyridine-3,4-dicarboxylate HCl" [P]. US Patent, US 10094709 B2, 2017-05-23.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 298, 5070-5087.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2013, 2366, (12), 6043-6055.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Diethyl 5-Hydroxy-6-methylpyridine-3,4-dicarboxylate HCl Using HRMS and NMR". Chromatographia, 2021, 316, (11), 2700-2726.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2018, 2099, 7523-7537.