O'Brien P Q, Patel M V, Roberts E F. "一种的合成方法" [P]. US Patent, US 11915243 B2, 2015-05-23.
发明人钱学锋,周伟,何建平. "Method for the Synthesis of Ethyl 4-(dimethylamino)-5,8-difluoroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115370648 B, 授权公告日 2025-05-20.
发明人韩伟,罗永刚,钱学锋. "A Process for Preparing High-Purity Ethyl 4-(dimethylamino)-5,8-difluoroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115197481 B, 授权公告日 2020-02-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 1933, (3), 4709-4735.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2017, 1128, (9), 3946-3959.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-(dimethylamino)-5,8-difluoroquinoline-3-carboxylate Using HRMS and NMR". Food Chem., 2010, 1708, 6738-6748.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2025, 580, (1), 4827-4854.