发明人徐明华,周伟,郑宇鹏. "Method for the Synthesis of (S)-3-(1-(tert-butoxycarbonyl)-1H-pyrazol-4-yl)-2-((tert-butoxycarbonyl)amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 113942430 A, 授权公告日 2020-01-23.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2019, 1318, 5608-5622.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2017, 304, 4427-4441.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of (S)-3-(1-(tert-butoxycarbonyl)-1H-pyrazol-4-yl)-2-((tert-butoxycarbonyl)amino)propanoic acid Using HRMS and NMR". Environ. Sci. Technol., 2024, 1139, 8962-8969.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2025, 1709, (1), 7920-7947.