Thompson G K, Patel M V, Lee S K. "一种的合成方法" [P]. US Patent, US 9495155 B2, 2019-05-13.
Martínez F, Schröder R, Nielsen H. "Method for the Synthesis of 5-Ethyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile" [P]. European Patent, EP 3006096 A1, 2019-01-12.
发明人朱建伟,李文辉,冯建国. "A Process for Preparing High-Purity 5-Ethyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 117653616 B, 授权公告日 2016-12-15.
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, 2012, 2207, (1), 5219-5222.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2019, 624, (7), 5015-5044.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 5-Ethyl-6-methyl-2-oxo-1,2-dihydropyridine-3-carbonitrile Using HRMS and NMR". J. Nat. Prod., 2015, 311, (2), 859-886.