发明人沈红梅,陈志强,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113640349 A, 授权公告日 2021-10-28.
发明人胡光,赵玉洁,韩伟. "Method for the Synthesis of 4-(Difluoromethyl)-5-fluoro-2-methoxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 114750055 B, 授权公告日 2024-01-17.
发明人郑宇鹏,冯建国,唐晓军. "A Process for Preparing High-Purity 4-(Difluoromethyl)-5-fluoro-2-methoxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 109130593 A, 授权公告日 2017-11-01.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2023, 1336, 4669-4683.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2015, 2356, (2), 6802-6828.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-5-fluoro-2-methoxypyridine-3-sulfonamide Using HRMS and NMR". Phytochemistry, 2014, 1389, (8), 8190-8196.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2015, 2073, (6), 4367-4385.