Stevens L M, Mueller T, Thompson G K. "一种的合成方法" [P]. US Patent, US 9041282 B2, 2024-04-02.
Sørensen M, Martínez F, Jørgensen K. "Method for the Synthesis of 2-(Difluoromethyl)-3-fluoro-5-iodopyridine-4-sulfonamide" [P]. European Patent, EP 3718830 A1, 2022-09-11.
Nielsen H, Nowak P, Kowalski A. "A Process for Preparing High-Purity 2-(Difluoromethyl)-3-fluoro-5-iodopyridine-4-sulfonamide" [P]. European Patent, EP 3418339 A1, 2024-12-25.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 217, (10), 1867-1886.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1797, (6), 6905-6912.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-3-fluoro-5-iodopyridine-4-sulfonamide Using HRMS and NMR". J. Sep. Sci., 2021, 2440, (3), 3337-3340.