发明人赵玉洁,沈红梅,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112073255 A, 授权公告日 2018-11-01.
Nielsen H, Lefèvre J P, Rossi M. "Method for the Synthesis of 6-Ethyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid" [P]. European Patent, EP 3586397 A1, 2020-10-27.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2014, 1228, 4936-4939.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2022, 1750, 5705-5716.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 6-Ethyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid Using HRMS and NMR". Chemosphere, 2013, 921, (11), 9449-9472.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 349, 8713-8719.