发明人钱学锋,韩伟,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114054237 A, 授权公告日 2015-10-18.
Sørensen M, Schröder R, Kowalski A. "Method for the Synthesis of 5-Amino-2,4-difluoro-3-hydroxybenzoic acid" [P]. European Patent, EP 3804568 A1, 2018-05-14.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 390, 250-258.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 2013, 4240-4246.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 5-Amino-2,4-difluoro-3-hydroxybenzoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2014, 1679, (7), 3409-3425.