发明人刘建华,黄志刚,李文辉. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115587868 A, 授权公告日 2021-08-27.
发明人林芳,徐明华,胡光. "Method for the Synthesis of 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114875290 A, 授权公告日 2020-10-28.
发明人何建平,王建平,朱建伟. "A Process for Preparing High-Purity 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114345536 A, 授权公告日 2018-08-19.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2013, 888, (12), 6522-6548.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 1967, 7320-7329.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-fluorocyclobutane-1-carboxylic acid Using HRMS and NMR". Anal. Chem., 2016, 1569, 9787-9810.