发明人徐明华,郑宇鹏,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117252002 A, 授权公告日 2017-08-27.
发明人郑宇鹏,钱学锋,朱建伟. "Method for the Synthesis of 2-(Difluoromethyl)-6-fluoro-3-methylpyridine-4-sulfonamide" [P]. 中国发明专利, 专利号 CN 109134313 B, 授权公告日 2021-05-02.
发明人黄志刚,周伟,马晓峰. "A Process for Preparing High-Purity 2-(Difluoromethyl)-6-fluoro-3-methylpyridine-4-sulfonamide" [P]. 中国发明专利, 专利号 CN 114245577 A, 授权公告日 2022-06-28.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 182, (11), 7570-7584.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2019, 1852, (6), 1832-1860.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-6-fluoro-3-methylpyridine-4-sulfonamide Using HRMS and NMR". Chemosphere, 2023, 992, (8), 6910-6931.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2010, 1496, (3), 8342-8371.