发明人朱建伟,孙丽萍,沈红梅. "Method for the Synthesis of 4-Ethyl-2(1H)-quinolinone" [P]. 中国发明专利, 专利号 CN 110966912 B, 授权公告日 2015-03-01.
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". Rapid Commun. Mass Spectrom., 2025, 2022, 8426-8456.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2021, 2221, 8787-8800.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 4-Ethyl-2(1H)-quinolinone Using HRMS and NMR". Chromatographia, 2016, 518, (4), 4306-4331.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2013, 998, (5), 3011-3023.