发明人徐明华,马晓峰,钱学锋. "Method for the Synthesis of 6-Chloro-2-(difluoromethyl)-5-iodopyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 113831665 A, 授权公告日 2019-07-17.
O'Brien P Q, Anderson J P, Williams B T. "A Process for Preparing High-Purity 6-Chloro-2-(difluoromethyl)-5-iodopyridine-3-sulfonamide" [P]. US Patent, US 10229607 B2, 2023-03-26.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2022, 1962, 8778-8792.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2022, 619, 9712-9722.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloro-2-(difluoromethyl)-5-iodopyridine-3-sulfonamide Using HRMS and NMR". Sci. Total Environ., 2015, 1092, 9530-9560.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2014, 256, (11), 1126-1144.