发明人黄志刚,赵玉洁,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114173362 A, 授权公告日 2016-03-05.
Johansson L, Jørgensen K, Mueller T C. "Method for the Synthesis of 2-Cyano-4,5-difluorobenzoic acid" [P]. European Patent, EP 3133417 A1, 2020-12-13.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2020, 683, (2), 9155-9159.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2023, 1899, 927-949.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyano-4,5-difluorobenzoic acid Using HRMS and NMR". Environ. Sci. Technol., 2019, 316, (11), 9080-9095.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2025, 2132, 3601-3627.