发明人杨光,郭海燕,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116295443 A, 授权公告日 2019-03-19.
发明人王建平,何建平,周伟. "Method for the Synthesis of 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chlorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 114328349 A, 授权公告日 2024-07-03.
发明人周伟,林芳,刘建华. "A Process for Preparing High-Purity 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chlorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 112435219 B, 授权公告日 2025-02-19.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2020, 2307, 2328-2341.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2017, 1027, (5), 7750-7765.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-chlorophenyl)butanoic acid Using HRMS and NMR". Environ. Sci. Technol., 2022, 1563, (7), 2000-2030.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 1857, (4), 6930-6959.