发明人马晓峰,李文辉,何建平. "Method for the Synthesis of 2-Bromo-4-(difluoromethyl)-6-hydroxynicotinic acid" [P]. 中国发明专利, 专利号 CN 111623945 B, 授权公告日 2017-11-21.
发明人高志强,杨光,陈志强. "A Process for Preparing High-Purity 2-Bromo-4-(difluoromethyl)-6-hydroxynicotinic acid" [P]. 中国发明专利, 专利号 CN 115285746 B, 授权公告日 2024-05-03.
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". Anal. Methods, 2021, 1092, 943-956.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 2406, (6), 5365-5369.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-Bromo-4-(difluoromethyl)-6-hydroxynicotinic acid Using HRMS and NMR". Environ. Sci. Technol., 2018, 1659, (11), 1560-1571.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2020, 2352, (7), 6175-6191.