Nowak P, Sørensen M, Mueller T C. "一种的合成方法" [P]. European Patent, EP 3097435 A1, 2018-01-27.
发明人徐明华,钱学锋,李文辉. "Method for the Synthesis of 2-(Carbamoylamino)-4,5-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 113904287 A, 授权公告日 2024-02-24.
发明人张德明,周伟,韩伟. "A Process for Preparing High-Purity 2-(Carbamoylamino)-4,5-difluorobenzoic acid" [P]. 中国发明专利, 专利号 CN 113487685 A, 授权公告日 2025-05-03.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Nat. Prod., 2019, 1413, 2625-2640.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1386, 818-842.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Carbamoylamino)-4,5-difluorobenzoic acid Using HRMS and NMR". Biomed. Chromatogr., 2019, 1670, 8282-8312.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2011, 766, 7752-7767.