发明人徐明华,周伟,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109786022 A, 授权公告日 2021-12-08.
Lefèvre J P, Nielsen H, Martínez F. "Method for the Synthesis of 5-[(Ethylamino)sulfonyl]-2-fluorobenzoic acid" [P]. European Patent, EP 3497656 A1, 2022-09-12.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 294, (12), 5854-5869.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2023, 1855, (5), 5492-5511.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-[(Ethylamino)sulfonyl]-2-fluorobenzoic acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2013, 1783, (8), 9161-9176.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2018, 2412, (3), 3283-3307.