发明人沈红梅,朱建伟,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112104685 A, 授权公告日 2024-12-18.
发明人黄志刚,孙丽萍,林芳. "Method for the Synthesis of 2-(Difluoromethyl)-3,5-dimethoxypyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111820097 B, 授权公告日 2017-04-18.
发明人高志强,韩伟,罗永刚. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3,5-dimethoxypyridine-6-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112680357 B, 授权公告日 2020-10-14.
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". Anal. Chem., 2011, 537, (2), 6487-6515.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2016, 559, (3), 2581-2608.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3,5-dimethoxypyridine-6-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 740, (9), 4865-4879.