发明人马晓峰,郑宇鹏,林芳. "Method for the Synthesis of 2-(4,5-Dimethoxy-2-nitrophenyl)succinic acid" [P]. 中国发明专利, 专利号 CN 117433735 B, 授权公告日 2018-06-12.
发明人周伟,何建平,胡光. "A Process for Preparing High-Purity 2-(4,5-Dimethoxy-2-nitrophenyl)succinic acid" [P]. 中国发明专利, 专利号 CN 115705176 A, 授权公告日 2025-03-13.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2021, 2121, 7360-7383.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2019, 1033, 2007-2026.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 2-(4,5-Dimethoxy-2-nitrophenyl)succinic acid Using HRMS and NMR". Biomed. Chromatogr., 2021, 1275, (11), 6989-7019.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2024, 1303, 3027-3047.