Stevens L M, Williams B T, Schröder R. "一种的合成方法" [P]. US Patent, US 9398860 B2, 2023-08-16.
Kowalski A, Sørensen M, Martínez F. "Method for the Synthesis of 4-Cyano-5-(difluoromethyl)-2-fluoropyridine" [P]. European Patent, EP 3917156 A1, 2019-04-19.
发明人徐明华,马晓峰,冯建国. "A Process for Preparing High-Purity 4-Cyano-5-(difluoromethyl)-2-fluoropyridine" [P]. 中国发明专利, 专利号 CN 111784537 B, 授权公告日 2021-04-11.
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". Anal. Methods, 2019, 163, 7924-7943.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1401, (8), 7562-7581.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-Cyano-5-(difluoromethyl)-2-fluoropyridine Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 1384, 9961-9991.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2015, 454, (9), 1509-1515.