Roberts E F, Fischer A B, Lee S K. "Method for the Synthesis of Ethyl 5-fluoro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate" [P]. US Patent, US 11582308 B2, 2020-06-01.
发明人黄志刚,冯建国,王建平. "A Process for Preparing High-Purity Ethyl 5-fluoro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 113130324 A, 授权公告日 2023-11-21.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 201, (1), 9746-9770.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2016, 1612, 4860-4879.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 5-fluoro-6-hydroxy-2-oxo-1,2-dihydropyridine-3-carboxylate Using HRMS and NMR". Sci. Total Environ., 2012, 859, (4), 2128-2132.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2019, 514, 1998-2019.