发明人钱学锋,林芳,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111748971 A, 授权公告日 2017-07-21.
发明人胡光,冯建国,林芳. "Method for the Synthesis of 6-Chloro-2-(difluoromethyl)-5-methylpyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 115099046 A, 授权公告日 2021-11-13.
发明人王建平,胡光,林芳. "A Process for Preparing High-Purity 6-Chloro-2-(difluoromethyl)-5-methylpyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 109713684 B, 授权公告日 2022-02-14.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 1629, 1984-2008.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2012, 2092, (12), 1028-1034.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-2-(difluoromethyl)-5-methylpyridine-3-sulfonamide Using HRMS and NMR". Talanta, 2015, 446, 5939-5943.