发明人胡光,郑宇鹏,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111789452 A, 授权公告日 2016-09-14.
发明人高志强,马晓峰,王建平. "Method for the Synthesis of 1-Ethyl-6,8-difluoroquinolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 113230870 A, 授权公告日 2022-11-06.
发明人何建平,张德明,陈志强. "A Process for Preparing High-Purity 1-Ethyl-6,8-difluoroquinolin-4(1H)-one" [P]. 中国发明专利, 专利号 CN 109138179 A, 授权公告日 2023-08-08.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2022, 2250, (8), 2767-2795.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2014, 1255, (3), 87-105.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-6,8-difluoroquinolin-4(1H)-one Using HRMS and NMR". J. Chromatogr. A, 2016, 2343, (10), 9034-9057.