Kowalski A, Sørensen M, Mueller T C. "Method for the Synthesis of (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)propanoic acid" [P]. European Patent, EP 3796832 A1, 2025-11-14.
发明人赵玉洁,周伟,孙丽萍. "A Process for Preparing High-Purity (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)propanoic acid" [P]. 中国发明专利, 专利号 CN 113176868 A, 授权公告日 2016-03-22.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2017, 1244, (10), 3428-3443.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2011, 1166, 5434-5443.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)propanoic acid Using HRMS and NMR". Sci. Total Environ., 2020, 842, (5), 6461-6475.