发明人周伟,徐明华,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109637841 A, 授权公告日 2023-10-20.
发明人黄志刚,朱建伟,徐明华. "Method for the Synthesis of 2-Ethyl-5-fluoro-3-oxo-3,4-dihydroquinoxaline-6-carbaldehyde" [P]. 中国发明专利, 专利号 CN 109881176 B, 授权公告日 2016-01-11.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2020, 1975, (8), 8944-8961.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2023, 147, 7680-7686.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2-Ethyl-5-fluoro-3-oxo-3,4-dihydroquinoxaline-6-carbaldehyde Using HRMS and NMR". Anal. Chim. Acta, 2023, 2374, 5067-5086.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2022, 532, 4248-4276.