发明人陈志强,郑宇鹏,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112911068 A, 授权公告日 2021-05-21.
发明人何建平,唐晓军,李文辉. "Method for the Synthesis of 4-Bromo-2-nitrocinnamic acid" [P]. 中国发明专利, 专利号 CN 113766900 A, 授权公告日 2020-09-12.
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". Chromatographia, 2012, 1993, (4), 7819-7824.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 647, (6), 2766-2780.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-Bromo-2-nitrocinnamic acid Using HRMS and NMR". Molecules, 2019, 1266, (7), 7397-7423.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2020, 272, (7), 73-76.