Fischer A B, Kumar R, Johnson M A. "Method for the Synthesis of Methyl 1-(difluoromethyl)-2-oxo-1,2-dihydropyridine-4-carboxylate" [P]. US Patent, US 11898906 B2, 2016-02-04.
发明人韩伟,黄志刚,徐明华. "A Process for Preparing High-Purity Methyl 1-(difluoromethyl)-2-oxo-1,2-dihydropyridine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 108852001 A, 授权公告日 2017-09-26.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2022, 983, (1), 1481-1506.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 1957, (9), 8323-8344.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 1-(difluoromethyl)-2-oxo-1,2-dihydropyridine-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2010, 2184, (8), 9663-9683.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2022, 752, 6069-6086.