Klinger H, Anderson J P, Mueller T. "Method for the Synthesis of (R)-2-Amino-4-(3,4,5-trimethoxyphenyl)butanoic acid" [P]. US Patent, US 11424721 B2, 2024-02-09.
发明人张德明,胡光,罗永刚. "A Process for Preparing High-Purity (R)-2-Amino-4-(3,4,5-trimethoxyphenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 112599579 A, 授权公告日 2021-06-22.
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". Molecules, 2023, 124, 1739-1760.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 2023, (5), 9079-9084.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-Amino-4-(3,4,5-trimethoxyphenyl)butanoic acid Using HRMS and NMR". Talanta, 2016, 219, 9310-9333.