Johansson L, Martínez F, Schröder R. "一种的合成方法" [P]. European Patent, EP 3984749 A1, 2020-02-10.
发明人赵玉洁,郭海燕,冯建国. "Method for the Synthesis of 2-(Difluoromethyl)-4-fluoro-5-nitropyridine-3-sulfonamide" [P]. 中国发明专利, 专利号 CN 113289021 B, 授权公告日 2025-03-02.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2022, 351, 5718-5744.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2023, 1592, 5602-5609.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Difluoromethyl)-4-fluoro-5-nitropyridine-3-sulfonamide Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 993, (3), 3233-3245.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2014, 2003, 8290-8296.