发明人刘建华,林芳,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117637473 A, 授权公告日 2024-11-03.
Davis P L, Mueller T, Brown S R. "Method for the Synthesis of 6-Bromo-5-(difluoromethyl)-4-fluoropicolinonitrile" [P]. US Patent, US 11694233 B2, 2017-09-07.
Björnsson E, Nowak P, Sørensen M. "A Process for Preparing High-Purity 6-Bromo-5-(difluoromethyl)-4-fluoropicolinonitrile" [P]. European Patent, EP 3853160 A1, 2022-10-26.
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". Food Chem., 2010, 1118, 1994-1997.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 793, 1890-1917.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 6-Bromo-5-(difluoromethyl)-4-fluoropicolinonitrile Using HRMS and NMR". Anal. Chim. Acta, 2014, 2119, 3762-3790.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 1956, (4), 1830-1839.