发明人林芳,马晓峰,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112185845 A, 授权公告日 2018-11-01.
发明人钱学锋,周伟,沈红梅. "Method for the Synthesis of 2-(2,4-Dimethoxyphenyl)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 111911568 B, 授权公告日 2020-12-16.
发明人何建平,韩伟,钱学锋. "A Process for Preparing High-Purity 2-(2,4-Dimethoxyphenyl)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 112933118 A, 授权公告日 2016-07-04.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2014, 2027, 1858-1878.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2023, 1137, (12), 5854-5861.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2,4-Dimethoxyphenyl)-3-methylbutanoic acid Using HRMS and NMR". Anal. Chem., 2017, 579, 6882-6911.