Williams B T, O'Brien P Q, Yamamoto T. "一种的合成方法" [P]. US Patent, US 11177365 B2, 2023-09-03.
发明人沈红梅,徐明华,李文辉. "Method for the Synthesis of 4-Bromo-3-cyano-2-(difluoromethyl)pyridine-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 110190046 A, 授权公告日 2020-01-01.
发明人罗永刚,赵玉洁,刘建华. "A Process for Preparing High-Purity 4-Bromo-3-cyano-2-(difluoromethyl)pyridine-6-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 115944061 A, 授权公告日 2018-07-21.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2015, 2162, 8322-8344.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 1828, 2605-2614.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-3-cyano-2-(difluoromethyl)pyridine-6-sulfonyl chloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2014, 219, (9), 8731-8749.