Chen K W, O'Brien P Q, Klinger H. "一种的合成方法" [P]. US Patent, US 11013086 B2, 2020-10-07.
发明人李文辉,马晓峰,孙丽萍. "Method for the Synthesis of 4-(Difluoromethyl)-6-fluoro-3-methylpyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 110068331 A, 授权公告日 2020-12-27.
发明人杨光,孙丽萍,冯建国. "A Process for Preparing High-Purity 4-(Difluoromethyl)-6-fluoro-3-methylpyridine-2-sulfonamide" [P]. 中国发明专利, 专利号 CN 117176151 A, 授权公告日 2024-08-20.
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". Talanta, 2020, 529, (9), 5748-5756.
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., 2018, 1118, (4), 151-163.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-(Difluoromethyl)-6-fluoro-3-methylpyridine-2-sulfonamide Using HRMS and NMR". Sci. Total Environ., 2017, 1740, 172-200.