Björnsson E, Nielsen H, Mueller T C. "Method for the Synthesis of 6-Fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. European Patent, EP 3687156 A1, 2019-12-03.
发明人张德明,徐明华,赵玉洁. "A Process for Preparing High-Purity 6-Fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112928825 A, 授权公告日 2018-12-05.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2012, 2187, (3), 7644-7658.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2022, 461, 518-529.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 6-Fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Using HRMS and NMR". Talanta, 2012, 695, (12), 3902-3929.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2012, 1336, 343-356.