O'Brien P Q, Yamamoto T, Kumar R. "一种的合成方法" [P]. US Patent, US 10510723 B2, 2017-06-27.
Park J H, Kumar R, Lee S K. "Method for the Synthesis of (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(benzyloxy)butanoic acid" [P]. US Patent, US 9501632 B2, 2016-12-09.
发明人刘建华,张德明,陈志强. "A Process for Preparing High-Purity (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(benzyloxy)butanoic acid" [P]. 中国发明专利, 专利号 CN 113006620 B, 授权公告日 2019-01-12.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 738, 4472-4495.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 2274, 5491-5504.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(benzyloxy)butanoic acid Using HRMS and NMR". J. Sep. Sci., 2018, 1045, (4), 8987-9010.