Mueller T, Anderson J P, Thompson G K. "一种的合成方法" [P]. US Patent, US 11424037 B2, 2017-08-22.
发明人孙丽萍,李文辉,沈红梅. "Method for the Synthesis of 4-(4-Formyl-3,5-dimethoxyphenoxy)butanoic acid" [P]. 中国发明专利, 专利号 CN 108921577 B, 授权公告日 2021-08-23.
Nielsen H, Nowak P, Johansson L. "A Process for Preparing High-Purity 4-(4-Formyl-3,5-dimethoxyphenoxy)butanoic acid" [P]. European Patent, EP 3490011 A1, 2017-09-16.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2022, 434, (11), 5064-5077.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2012, 1800, 6557-6579.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-Formyl-3,5-dimethoxyphenoxy)butanoic acid Using HRMS and NMR". Phytochemistry, 2016, 2327, 8896-8904.