Jørgensen K, Mueller T C, Martínez F. "一种的合成方法" [P]. European Patent, EP 3306578 A1, 2018-05-07.
Thompson G K, Mueller T, Williams B T. "Method for the Synthesis of (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(2-cyanophenyl)butanoic acid" [P]. US Patent, US 10722720 B2, 2022-11-21.
发明人李文辉,刘建华,杨光. "A Process for Preparing High-Purity (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(2-cyanophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 110954889 A, 授权公告日 2019-05-27.
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". J. Chromatogr. A, 2019, 1067, 111-135.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2022, 361, (9), 9336-9351.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(2-cyanophenyl)butanoic acid Using HRMS and NMR". Chromatographia, 2012, 2188, 4875-4885.