Mueller T, Chen K W, Hughes D C. "一种的合成方法" [P]. US Patent, US 11334116 B2, 2017-11-13.
发明人赵玉洁,马晓峰,林芳. "Method for the Synthesis of 2-Oxo-1-(o-tolyl)-1,2-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109430791 A, 授权公告日 2022-06-28.
发明人杨光,王建平,陈志强. "A Process for Preparing High-Purity 2-Oxo-1-(o-tolyl)-1,2-dihydropyridine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109289174 A, 授权公告日 2023-01-05.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2016, 665, (11), 8869-8894.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2016, 93, (10), 5626-5651.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxo-1-(o-tolyl)-1,2-dihydropyridine-3-carboxylic acid Using HRMS and NMR". J. Chromatogr. A, 2010, 2371, (4), 2698-2710.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2018, 1658, 492-519.