Roberts E F, Hughes D C, Kumar R. "Method for the Synthesis of N4-(2,3-Dimethylphenyl)-N2-(2-hydroxyethyl)-L-asparagine" [P]. US Patent, US 11893719 B2, 2025-02-28.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2023, 1996, (10), 4257-4265.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2021, 2477, (3), 5635-5653.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of N4-(2,3-Dimethylphenyl)-N2-(2-hydroxyethyl)-L-asparagine Using HRMS and NMR". Talanta, 2020, 1015, (8), 5839-5862.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2012, 2195, (1), 7693-7705.