Thompson G K, Mueller T, Park J H. "一种的合成方法" [P]. US Patent, US 10480902 B2, 2024-11-07.
发明人郑宇鹏,何建平,韩伟. "Method for the Synthesis of 2,3-Dimethoxy-4-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 116745841 A, 授权公告日 2021-04-11.
发明人郑宇鹏,周伟,林芳. "A Process for Preparing High-Purity 2,3-Dimethoxy-4-nitrobenzoic acid" [P]. 中国发明专利, 专利号 CN 112281746 A, 授权公告日 2018-09-10.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2021, 1320, 4050-4054.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2023, 2079, 6854-6880.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 2,3-Dimethoxy-4-nitrobenzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2014, 1005, (1), 8145-8165.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2014, 2130, 9827-9839.