Martínez F, Nielsen H, Kowalski A. "一种3-羟基-6-甲基-2-吡啶甲酸乙酯的合成方法" [P]. European Patent, EP 3593479 A1, 2019-07-15.
Mueller T, Klinger H, Hughes D C. "Method for the Synthesis of 3-Hydroxy-6-methyl-2-pyridinecarboxylic Acid Methyl Ester" [P]. US Patent, US 11392793 B2, 2016-05-16.
Hughes D C, O'Brien P Q, Park J H. "A Process for Preparing High-Purity 3-Hydroxy-6-methyl-2-pyridinecarboxylic Acid Methyl Ester" [P]. US Patent, US 9985836 B2, 2025-04-01.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 3-羟基-6-甲基-2-吡啶甲酸乙酯 in Pharmaceutical Formulations". Food Chem., 2023, 275, (5), 1186-1201.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-羟基-6-甲基-2-吡啶甲酸乙酯 as an Impurity". Talanta, 2013, 616, 2820-2833.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-Hydroxy-6-methyl-2-pyridinecarboxylic Acid Methyl Ester Using HRMS and NMR". Anal. Methods, 2011, 97, (1), 9743-9752.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate 3-羟基-6-甲基-2-吡啶甲酸乙酯 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2018, 2415, 110-137.