发明人林芳,郭海燕,朱建伟. "Method for the Synthesis of (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-((tert-butoxycarbonyl)amino)-3-methylbutanoic acid" [P]. 中国发明专利, 专利号 CN 112158622 B, 授权公告日 2015-03-07.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2021, 2117, (3), 1357-1379.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2013, 385, 2258-2264.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-((tert-butoxycarbonyl)amino)-3-methylbutanoic acid Using HRMS and NMR". J. Nat. Prod., 2016, 1673, (1), 2388-2392.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2015, 1173, (8), 8143-8169.