发明人朱建伟,郑宇鹏,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108526708 A, 授权公告日 2022-06-27.
发明人韩伟,王建平,孙丽萍. "Method for the Synthesis of 2-Amino-3-(3,4-dimethoxyphenyl)-3-hydroxypropanoic acid" [P]. 中国发明专利, 专利号 CN 116756805 A, 授权公告日 2023-12-17.
发明人沈红梅,高志强,何建平. "A Process for Preparing High-Purity 2-Amino-3-(3,4-dimethoxyphenyl)-3-hydroxypropanoic acid" [P]. 中国发明专利, 专利号 CN 109980703 B, 授权公告日 2022-03-20.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 869, (1), 4222-4233.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2021, 1236, (9), 2562-2575.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-Amino-3-(3,4-dimethoxyphenyl)-3-hydroxypropanoic acid Using HRMS and NMR". Talanta, 2013, 344, (9), 2220-2229.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2019, 1425, (10), 8594-8614.