发明人冯建国,王建平,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111159801 A, 授权公告日 2015-04-27.
发明人沈红梅,唐晓军,黄志刚. "Method for the Synthesis of 4-(4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)phenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 111529555 A, 授权公告日 2020-07-28.
发明人林芳,郭海燕,马晓峰. "A Process for Preparing High-Purity 4-(4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)phenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 116493942 B, 授权公告日 2022-09-19.
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, 1357, 631-653.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2023, 1539, 6288-6300.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)phenyl)butanoic acid Using HRMS and NMR". Sci. Total Environ., 2023, 1644, 3707-3715.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2023, 93, (5), 1909-1932.