Stevens L M, Thompson G K, Mueller T. "一种4-(二氟甲基)-3-氟-2-甲氧基-5-(三氟甲基)吡啶的合成方法" [P]. US Patent, US 11604961 B2, 2017-06-15.
Yamamoto T, Lee S K, Kumar R. "Method for the Synthesis of 4-(Difluoromethyl)-3-fluoro-2-methoxy-5-(trifluoromethyl)pyridine" [P]. US Patent, US 11676668 B2, 2016-01-07.
发明人唐晓军,沈红梅,郑宇鹏. "A Process for Preparing High-Purity 4-(Difluoromethyl)-3-fluoro-2-methoxy-5-(trifluoromethyl)pyridine" [P]. 中国发明专利, 专利号 CN 111883165 A, 授权公告日 2018-10-09.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of 4-(二氟甲基)-3-氟-2-甲氧基-5-(三氟甲基)吡啶 in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 671, (9), 5252-5281.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of 4-(二氟甲基)-3-氟-2-甲氧基-5-(三氟甲基)吡啶 as an Impurity". J. Pharm. Biomed. Anal., 2010, 2108, (1), 6309-6324.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-3-fluoro-2-methoxy-5-(trifluoromethyl)pyridine Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 2205, (8), 5633-5662.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 4-(二氟甲基)-3-氟-2-甲氧基-5-(三氟甲基)吡啶 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2025, 578, (8), 1614-1625.