发明人冯建国,郑宇鹏,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116210322 A, 授权公告日 2022-03-27.
发明人赵玉洁,郑宇鹏,罗永刚. "Method for the Synthesis of 4-(tert-Butyl)-5-(ethylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 110346217 B, 授权公告日 2021-09-05.
Mueller T C, Nielsen H, Kowalski A. "A Process for Preparing High-Purity 4-(tert-Butyl)-5-(ethylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile" [P]. European Patent, EP 3720968 A1, 2023-05-20.
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". J. Sep. Sci., 2014, 1498, (7), 1708-1722.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 636, (5), 316-321.