Jørgensen K, Schröder R, Sørensen M. "一种的合成方法" [P]. European Patent, EP 3104603 A1, 2022-04-08.
发明人沈红梅,赵玉洁,高志强. "Method for the Synthesis of 3-Amino-2,4-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 108765710 A, 授权公告日 2020-03-04.
发明人王建平,黄志刚,何建平. "A Process for Preparing High-Purity 3-Amino-2,4-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 110975414 A, 授权公告日 2021-07-18.
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". Biomed. Chromatogr., 2011, 1896, 5976-5986.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2019, 870, (1), 8071-8084.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 3-Amino-2,4-difluorobenzoic acid Using HRMS and NMR". Anal. Methods, 2023, 1415, (5), 3430-3452.