发明人李文辉,赵玉洁,韩伟. "Method for the Synthesis of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-cyanobutanoic acid" [P]. 中国发明专利, 专利号 CN 113472831 A, 授权公告日 2018-08-20.
发明人赵玉洁,徐明华,陈志强. "A Process for Preparing High-Purity (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-cyanobutanoic acid" [P]. 中国发明专利, 专利号 CN 108025436 B, 授权公告日 2021-10-06.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2023, 2115, 7255-7273.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2011, 875, 2037-2042.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-cyanobutanoic acid Using HRMS and NMR". J. Nat. Prod., 2013, 971, 4936-4963.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2018, 1576, 437-447.