Kumar R, Davis P L, Park J H. "一种的合成方法" [P]. US Patent, US 9833041 B2, 2020-01-02.
发明人马晓峰,何建平,孙丽萍. "Method for the Synthesis of 4-Chloro-6-(difluoromethyl)-5-hydroxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 117797944 A, 授权公告日 2016-01-19.
发明人刘建华,张德明,周伟. "A Process for Preparing High-Purity 4-Chloro-6-(difluoromethyl)-5-hydroxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 111160787 A, 授权公告日 2020-12-02.
参考文献 Literature
Zhou X P, Huang L, Wu G. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2018, 444, (5), 6017-6034.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 1250, (11), 2418-2429.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Chloro-6-(difluoromethyl)-5-hydroxypyridine-3-sulfonamide Using HRMS and NMR". Food Chem., 2015, 209, (2), 6327-6357.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2025, 1048, (11), 2428-2442.