发明人胡光,郭海燕,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111113853 A, 授权公告日 2021-06-06.
发明人何建平,胡光,李文辉. "Method for the Synthesis of 4,5-Difluoro-2-nitrocinnamic acid" [P]. 中国发明专利, 专利号 CN 110398051 A, 授权公告日 2020-05-12.
发明人黄志刚,徐明华,孙丽萍. "A Process for Preparing High-Purity 4,5-Difluoro-2-nitrocinnamic acid" [P]. 中国发明专利, 专利号 CN 116649146 B, 授权公告日 2019-04-24.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 510, (6), 490-515.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2023, 1284, 5496-5501.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4,5-Difluoro-2-nitrocinnamic acid Using HRMS and NMR". Food Chem., 2016, 825, (2), 5796-5818.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 1866, (2), 774-796.