Stevens L M, Klinger H, Chen K W. "一种的合成方法" [P]. US Patent, US 10138500 B2, 2015-01-13.
发明人林芳,胡光,马晓峰. "Method for the Synthesis of 5-Oxo-4h,5h,6h,7h,8h-furo[3,2-b]azepine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114543243 B, 授权公告日 2020-07-03.
发明人钱学锋,朱建伟,刘建华. "A Process for Preparing High-Purity 5-Oxo-4h,5h,6h,7h,8h-furo[3,2-b]azepine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114694945 B, 授权公告日 2018-12-18.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2025, 274, 4449-4456.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2025, 108, (2), 9579-9594.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 5-Oxo-4h,5h,6h,7h,8h-furo[3,2-b]azepine-3-carboxylic acid Using HRMS and NMR". J. Sep. Sci., 2017, 731, 1852-1855.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2022, 1856, (1), 2747-2774.