发明人沈红梅,郑宇鹏,罗永刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112768150 A, 授权公告日 2016-03-02.
发明人郭海燕,周伟,唐晓军. "Method for the Synthesis of Ethyl 1-ethyl-8-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110145708 B, 授权公告日 2019-10-04.
Thompson G K, Hughes D C, Patel M V. "A Process for Preparing High-Purity Ethyl 1-ethyl-8-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate" [P]. US Patent, US 10289361 B2, 2021-10-07.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2024, 935, 6167-6176.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2025, 2153, (8), 5150-5166.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-ethyl-8-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate Using HRMS and NMR". Anal. Chem., 2017, 1574, (2), 156-185.