发明人张德明,唐晓军,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116730319 A, 授权公告日 2020-01-24.
发明人胡光,赵玉洁,冯建国. "Method for the Synthesis of 2-Bromo-4-(chloromethyl)-5-(difluoromethyl)-3-methylpyridine" [P]. 中国发明专利, 专利号 CN 113080156 B, 授权公告日 2022-05-18.
Kumar R, Yamamoto T, Klinger H. "A Process for Preparing High-Purity 2-Bromo-4-(chloromethyl)-5-(difluoromethyl)-3-methylpyridine" [P]. US Patent, US 10018986 B2, 2018-03-01.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 518, 386-399.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 560, (8), 3609-3628.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-Bromo-4-(chloromethyl)-5-(difluoromethyl)-3-methylpyridine Using HRMS and NMR". Chromatographia, 2013, 829, (10), 8581-8606.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2014, 1292, (1), 6613-6632.