发明人杨光,陈志强,马晓峰. "Method for the Synthesis of Benzyl (S)-6-(5-(7-bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl)-5-azaspiro[2.4]Heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108461949 A, 授权公告日 2023-12-28.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2020, 1031, 49-65.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 1248, 6124-6139.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Benzyl (S)-6-(5-(7-bromo-9,9-difluoro-9H-fluoren-2-yl)-1H-imidazol-2-yl)-5-azaspiro[2.4]Heptane-5-carboxylate Using HRMS and NMR". Chemosphere, 2012, 1827, (6), 5171-5178.