发明人罗永刚,李文辉,陈志强. "Method for the Synthesis of Methyl 8-oxo-7,8-dihydro[2,7]naphthyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 109830199 A, 授权公告日 2020-11-06.
发明人赵玉洁,林芳,黄志刚. "A Process for Preparing High-Purity Methyl 8-oxo-7,8-dihydro[2,7]naphthyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 110547171 A, 授权公告日 2019-10-06.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2021, 357, 534-549.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2010, 403, (10), 3291-3309.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 8-oxo-7,8-dihydro[2,7]naphthyridine-4-carboxylate Using HRMS and NMR". Chromatographia, 2017, 1767, 2043-2059.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 2266, 4331-4345.