发明人马晓峰,朱建伟,沈红梅. "一种3-氰基-4-乙氧基-5-氯-2-(1H)吡啶酮的合成方法" [P]. 中国发明专利, 专利号 CN 108473527 A, 授权公告日 2018-04-24.
发明人徐明华,郑宇鹏,冯建国. "Method for the Synthesis of 5-chloro-4-ethoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 114747563 B, 授权公告日 2019-07-16.
参考文献 Literature
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Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-氰基-4-乙氧基-5-氯-2-(1H)吡啶酮 as an Impurity". J. Nat. Prod., 2018, 1291, (5), 1170-1189.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 5-chloro-4-ethoxy-2-oxo-1,2-dihydropyridine-3-carbonitrile Using HRMS and NMR". Environ. Sci. Technol., 2025, 2469, (8), 8856-8882.