Hughes D C, Schröder R, Anderson J P. "Method for the Synthesis of 2-Bromo-6-cyano-4-(difluoromethyl)pyridine-3-sulfonamide" [P]. US Patent, US 9328760 B2, 2021-12-14.
发明人王建平,何建平,韩伟. "A Process for Preparing High-Purity 2-Bromo-6-cyano-4-(difluoromethyl)pyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 116419124 B, 授权公告日 2025-10-25.
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". Sci. Total Environ., 2016, 876, 2526-2531.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 953, 2754-2769.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-Bromo-6-cyano-4-(difluoromethyl)pyridine-3-sulfonamide Using HRMS and NMR". Anal. Chem., 2021, 393, 348-359.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2016, 825, 4101-4106.