Mueller T C, Sørensen M, Johansson L. "一种的合成方法" [P]. European Patent, EP 3870327 A1, 2015-08-09.
Johnson M A, Chen K W, Park J H. "Method for the Synthesis of 2-(Difluoromethyl)-4-fluoro-6-iodopyridine-3-sulfonamide" [P]. US Patent, US 11477801 B2, 2015-10-26.
Schröder R, Lefèvre J P, Björnsson E. "A Process for Preparing High-Purity 2-(Difluoromethyl)-4-fluoro-6-iodopyridine-3-sulfonamide" [P]. European Patent, EP 3326158 A1, 2021-06-26.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2018, 1946, (10), 290-294.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 1288, (8), 5423-5437.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-fluoro-6-iodopyridine-3-sulfonamide Using HRMS and NMR". J. Agric. Food Chem., 2019, 1288, (7), 4367-4374.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2024, 339, (6), 2185-2213.