发明人冯建国,张德明,王建平. "Method for the Synthesis of Methyl 2,6-difluoropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115536997 A, 授权公告日 2024-07-04.
发明人马晓峰,周伟,唐晓军. "A Process for Preparing High-Purity Methyl 2,6-difluoropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109960936 A, 授权公告日 2016-02-01.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 1394, 6559-6562.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2020, 1594, (9), 1773-1777.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2,6-difluoropyridine-4-carboxylate Using HRMS and NMR". Talanta, 2023, 2336, (5), 5264-5288.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2022, 1616, (9), 9747-9750.