发明人马晓峰,冯建国,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108096310 A, 授权公告日 2015-10-08.
发明人黄志刚,刘建华,胡光. "Method for the Synthesis of 2-Amino-3,4-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 109658159 A, 授权公告日 2015-02-01.
发明人赵玉洁,冯建国,郭海燕. "A Process for Preparing High-Purity 2-Amino-3,4-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 111971306 B, 授权公告日 2021-11-11.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 257, (5), 9802-9813.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2012, 1552, (9), 9531-9536.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-3,4-difluorobenzoic acid Using HRMS and NMR". Food Chem., 2016, 972, 9146-9149.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 1459, 9898-9916.