发明人林芳,何建平,罗永刚. "Method for the Synthesis of 4-(2,3-Dimethoxyphenyl)butanoic Acid" [P]. 中国发明专利, 专利号 CN 111022974 A, 授权公告日 2020-01-06.
发明人高志强,李文辉,周伟. "A Process for Preparing High-Purity 4-(2,3-Dimethoxyphenyl)butanoic Acid" [P]. 中国发明专利, 专利号 CN 114249399 B, 授权公告日 2019-12-09.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 1661, 6827-6847.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2011, 359, (6), 7473-7501.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-(2,3-Dimethoxyphenyl)butanoic Acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2016, 2243, 9024-9046.