发明人胡光,钱学锋,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115925112 A, 授权公告日 2016-01-26.
发明人冯建国,朱建伟,陈志强. "Method for the Synthesis of 4-(Difluoromethyl)-5-methoxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 111840075 A, 授权公告日 2016-10-02.
发明人沈红梅,郑宇鹏,朱建伟. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-methoxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 112944156 A, 授权公告日 2015-01-05.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2025, 1725, (5), 2618-2634.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 558, 7752-7758.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-methoxypyridine-3-sulfonamide Using HRMS and NMR". Chemosphere, 2014, 1766, (4), 6603-6629.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2025, 1938, 1931-1958.