发明人何建平,朱建伟,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114621939 A, 授权公告日 2024-03-17.
发明人陈志强,黄志刚,林芳. "Method for the Synthesis of 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylcyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108695141 A, 授权公告日 2018-12-16.
发明人沈红梅,韩伟,朱建伟. "A Process for Preparing High-Purity 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylcyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109455464 A, 授权公告日 2020-03-20.
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. Nat. Prod., 2013, 1932, (12), 2511-2536.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2024, 799, (6), 5078-5095.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 1-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylcyclobutane-1-carboxylic acid Using HRMS and NMR". Sci. Total Environ., 2022, 626, (2), 562-583.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chromatographia, 2021, 1243, (6), 5901-5907.