Fischer A B, Thompson G K, Stevens L M. "一种的合成方法" [P]. US Patent, US 10008051 B2, 2017-09-07.
Patel M V, Mueller T, Roberts E F. "Method for the Synthesis of 4-Chloro-2-(difluoromethyl)-5-methoxypyridine" [P]. US Patent, US 10446807 B2, 2025-12-09.
发明人朱建伟,王建平,孙丽萍. "A Process for Preparing High-Purity 4-Chloro-2-(difluoromethyl)-5-methoxypyridine" [P]. 中国发明专利, 专利号 CN 112367339 B, 授权公告日 2022-11-02.
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". Sci. Total Environ., 2010, 1272, (10), 4875-4899.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2013, 2340, (11), 5001-5030.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-2-(difluoromethyl)-5-methoxypyridine Using HRMS and NMR". J. Sep. Sci., 2013, 586, 7145-7170.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2017, 355, (6), 1018-1024.