发明人郭海燕,赵玉洁,朱建伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116641587 A, 授权公告日 2015-11-23.
发明人马晓峰,张德明,周伟. "Method for the Synthesis of 2-Bromo-3-(difluoromethyl)-5-methylisonicotinic acid" [P]. 中国发明专利, 专利号 CN 111488310 B, 授权公告日 2023-07-02.
Hughes D C, Anderson J P, Patel M V. "A Process for Preparing High-Purity 2-Bromo-3-(difluoromethyl)-5-methylisonicotinic acid" [P]. US Patent, US 11029319 B2, 2025-06-15.
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". Rapid Commun. Mass Spectrom., 2019, 908, (12), 9102-9132.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 2022, (8), 8402-8429.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2-Bromo-3-(difluoromethyl)-5-methylisonicotinic acid Using HRMS and NMR". Environ. Sci. Technol., 2011, 462, (5), 4469-4492.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 554, 2266-2287.