发明人马晓峰,朱建伟,钱学锋. "Method for the Synthesis of Methyl 2-(3,4-dimethoxyphenyl)-2-oxoacetate" [P]. 中国发明专利, 专利号 CN 110654332 A, 授权公告日 2020-01-17.
Klinger H, Kumar R, Mueller T. "A Process for Preparing High-Purity Methyl 2-(3,4-dimethoxyphenyl)-2-oxoacetate" [P]. US Patent, US 11223562 B2, 2024-03-17.
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". Molecules, 2024, 250, 2254-2259.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 340, (2), 1887-1907.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-(3,4-dimethoxyphenyl)-2-oxoacetate Using HRMS and NMR". Chemosphere, 2022, 448, 2196-2201.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2025, 1920, (7), 4497-4517.