发明人胡光,罗永刚,李文辉. "Method for the Synthesis of 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoic acid" [P]. 中国发明专利, 专利号 CN 116889255 B, 授权公告日 2015-08-17.
发明人沈红梅,黄志刚,林芳. "A Process for Preparing High-Purity 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoic acid" [P]. 中国发明专利, 专利号 CN 116042427 B, 授权公告日 2015-11-25.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2019, 927, (12), 858-861.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2010, 2335, (5), 2120-2139.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 4-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-methoxybutanoic acid Using HRMS and NMR". Phytochemistry, 2025, 204, 9748-9774.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chim. Acta, 2018, 652, (10), 2119-2147.