Fischer A B, O'Brien P Q, Anderson J P. "一种的合成方法" [P]. US Patent, US 9048001 B2, 2022-01-11.
发明人王建平,林芳,李文辉. "Method for the Synthesis of 5-Chloro-2-fluoro-4-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 116297470 A, 授权公告日 2018-12-17.
发明人沈红梅,孙丽萍,罗永刚. "A Process for Preparing High-Purity 5-Chloro-2-fluoro-4-methoxybenzoic acid" [P]. 中国发明专利, 专利号 CN 112558792 A, 授权公告日 2021-01-03.
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. Pharm. Biomed. Anal., 2011, 699, (9), 5855-5870.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2012, 2404, (6), 9481-9508.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-2-fluoro-4-methoxybenzoic acid Using HRMS and NMR". Biomed. Chromatogr., 2013, 2407, (4), 5344-5362.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2013, 1658, (11), 450-462.