发明人杨光,刘建华,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109716457 A, 授权公告日 2019-07-01.
Lee S K, Fischer A B, Hughes D C. "Method for the Synthesis of 2-(Difluoromethyl)-6-fluoro-3-methylpyridine-4-carboxylic acid" [P]. US Patent, US 10917512 B2, 2022-05-20.
Klinger H, Kumar R, Thompson G K. "A Process for Preparing High-Purity 2-(Difluoromethyl)-6-fluoro-3-methylpyridine-4-carboxylic acid" [P]. US Patent, US 11266414 B2, 2019-08-22.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2023, 1527, (10), 9786-9797.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2016, 528, 8250-8276.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-6-fluoro-3-methylpyridine-4-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2013, 439, (11), 7563-7586.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2010, 1509, (11), 4130-4133.