发明人唐晓军,陈志强,郑宇鹏. "Method for the Synthesis of 6-Amino-5-(difluoromethyl)-2-hydroxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 112358264 A, 授权公告日 2025-07-10.
发明人朱建伟,刘建华,林芳. "A Process for Preparing High-Purity 6-Amino-5-(difluoromethyl)-2-hydroxypyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 110155761 A, 授权公告日 2020-02-27.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2012, 907, 7416-7422.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2025, 841, (6), 4711-4716.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 6-Amino-5-(difluoromethyl)-2-hydroxypyridine-3-sulfonamide Using HRMS and NMR". Sci. Total Environ., 2018, 351, 6038-6041.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2023, 815, 6959-6982.