发明人罗永刚,郭海燕,郑宇鹏. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109807658 A, 授权公告日 2020-12-07.
发明人沈红梅,郭海燕,李文辉. "Method for the Synthesis of Ethyl 4-chloro-6,7-difluoroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108464484 B, 授权公告日 2015-12-12.
Hughes D C, Chen K W, O'Brien P Q. "A Process for Preparing High-Purity Ethyl 4-chloro-6,7-difluoroquinoline-3-carboxylate" [P]. US Patent, US 9789250 B2, 2024-03-02.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2010, 1631, 5053-5065.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2018, 1925, 9704-9716.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-chloro-6,7-difluoroquinoline-3-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2013, 2417, 3058-3083.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2017, 168, (4), 8058-8083.