Schröder R, Anderson J P, Lee S K. "Method for the Synthesis of 2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester" [P]. US Patent, US 10278315 B2, 2025-03-22.
发明人张德明,高志强,杨光. "A Process for Preparing High-Purity 2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester" [P]. 中国发明专利, 专利号 CN 110717932 B, 授权公告日 2024-12-17.
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". Sci. Total Environ., 2018, 2448, 5339-5363.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2012, 518, 5912-5918.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-[(3-Methoxyphenyl)methylene]-propanedioic Acid 1,3-Diethyl Ester Using HRMS and NMR". Chemosphere, 2012, 1550, (8), 2688-2713.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2012, 1882, 4948-4953.