发明人何建平,孙丽萍,林芳. "Method for the Synthesis of Ethyl 4-hydroxy-1-isobutyl-2-oxo-1,2-dihydroquinoline-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110816423 B, 授权公告日 2022-11-27.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2011, 1307, (1), 5250-5257.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2019, 974, (12), 4612-4638.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 4-hydroxy-1-isobutyl-2-oxo-1,2-dihydroquinoline-3-carboxylate Using HRMS and NMR". Biomed. Chromatogr., 2017, 2136, (7), 3058-3061.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 2110, 5171-5177.