Rossi M, Nielsen H, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3430846 A1, 2024-12-24.
发明人钱学锋,高志强,马晓峰. "Method for the Synthesis of Ethyl 4-amino-2,5-difluorobenzoate" [P]. 中国发明专利, 专利号 CN 108156849 A, 授权公告日 2016-09-22.
Lefèvre J P, Björnsson E, Schröder R. "A Process for Preparing High-Purity Ethyl 4-amino-2,5-difluorobenzoate" [P]. European Patent, EP 3417643 A1, 2023-11-25.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2016, 1011, (7), 8660-8667.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2023, 1546, (10), 6789-6802.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-amino-2,5-difluorobenzoate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2017, 826, 9962-9975.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2011, 2082, (9), 3220-3231.