O'Brien P Q, Lee S K, Kumar R. "Method for the Synthesis of 3-(5-Amino-2,3-dimethoxyphenyl)propanoic acid hydrochloride" [P]. US Patent, US 11354484 B2, 2024-11-22.
Patel M V, Chen K W, Schröder R. "A Process for Preparing High-Purity 3-(5-Amino-2,3-dimethoxyphenyl)propanoic acid hydrochloride" [P]. US Patent, US 11278119 B2, 2024-04-03.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 1624, (8), 4851-4869.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2023, 123, 7525-7550.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 3-(5-Amino-2,3-dimethoxyphenyl)propanoic acid hydrochloride Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 2273, (5), 6951-6965.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2010, 1768, 8698-8711.