发明人马晓峰,郑宇鹏,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112968439 A, 授权公告日 2024-02-10.
发明人孙丽萍,陈志强,刘建华. "Method for the Synthesis of 2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 113499933 B, 授权公告日 2020-09-19.
发明人周伟,唐晓军,徐明华. "A Process for Preparing High-Purity 2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 112346453 B, 授权公告日 2017-05-09.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2025, 2031, 2503-2533.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2022, 2054, 9856-9865.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide Using HRMS and NMR". Chemosphere, 2021, 1655, (5), 1328-1345.