Nielsen H, Björnsson E, Nowak P. "Method for the Synthesis of tert-Butyl 4-hydroxy-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate" [P]. European Patent, EP 3374246 A1, 2015-04-28.
发明人胡光,杨光,李文辉. "A Process for Preparing High-Purity tert-Butyl 4-hydroxy-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate" [P]. 中国发明专利, 专利号 CN 116133353 B, 授权公告日 2024-04-04.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2017, 981, 153-182.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2019, 1698, 1911-1924.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-hydroxy-7,8-dihydro-1,6-naphthyridine-6(5H)-carboxylate Using HRMS and NMR". Chemosphere, 2015, 1404, (3), 8867-8893.