发明人陈志强,胡光,何建平. "Method for the Synthesis of Ethyl 1-benzyl-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 116030853 A, 授权公告日 2017-03-07.
发明人黄志刚,赵玉洁,何建平. "A Process for Preparing High-Purity Ethyl 1-benzyl-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111985093 A, 授权公告日 2020-12-22.
参考文献 Literature
Wang L, Li J, Zhang H. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2013, 705, (1), 3473-3487.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chem., 2021, 1089, (2), 6090-6115.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-benzyl-4-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate Using HRMS and NMR". Environ. Sci. Technol., 2010, 1379, (8), 1672-1689.