发明人陈志强,孙丽萍,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117514810 A, 授权公告日 2020-08-21.
发明人朱建伟,高志强,赵玉洁. "Method for the Synthesis of 4-(Difluoromethyl)-5-methyl-3-nitropicolinic acid" [P]. 中国发明专利, 专利号 CN 117101794 A, 授权公告日 2019-12-11.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2025, 2105, (7), 2866-2896.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2022, 1578, 1713-1722.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-methyl-3-nitropicolinic acid Using HRMS and NMR". Talanta, 2014, 317, 3500-3506.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2020, 1323, (12), 4651-4663.