Brown S R, Fischer A B, Klinger H. "一种的合成方法" [P]. US Patent, US 10412720 B2, 2015-05-14.
Patel M V, Fischer A B, Klinger H. "Method for the Synthesis of 8-Chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. US Patent, US 9880632 B2, 2023-08-01.
发明人李文辉,高志强,何建平. "A Process for Preparing High-Purity 8-Chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109733821 A, 授权公告日 2020-08-17.
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". J. Chromatogr. A, 2020, 1821, (8), 8429-8432.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2011, 2310, (12), 9931-9961.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 8-Chloro-1-ethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid Using HRMS and NMR". Anal. Methods, 2010, 1181, 2376-2398.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2017, 532, (1), 1799-1820.