发明人郑宇鹏,周伟,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115036865 A, 授权公告日 2025-06-03.
发明人林芳,郑宇鹏,孙丽萍. "Method for the Synthesis of 6-Chloro-4-(difluoromethyl)picolinonitrile" [P]. 中国发明专利, 专利号 CN 108642265 B, 授权公告日 2017-12-11.
Lefèvre J P, Schröder R, Björnsson E. "A Process for Preparing High-Purity 6-Chloro-4-(difluoromethyl)picolinonitrile" [P]. European Patent, EP 3093540 A1, 2017-01-06.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2023, 2315, 5491-5519.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2015, 2389, 6291-6304.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-4-(difluoromethyl)picolinonitrile Using HRMS and NMR". Talanta, 2013, 741, (12), 4986-4989.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2018, 1721, 1159-1170.