发明人唐晓军,王建平,陈志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109677371 A, 授权公告日 2019-03-16.
发明人周伟,王建平,沈红梅. "Method for the Synthesis of Diethyl 4-cyanopyridine-2,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 109750101 A, 授权公告日 2018-03-07.
发明人孙丽萍,韩伟,陈志强. "A Process for Preparing High-Purity Diethyl 4-cyanopyridine-2,5-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117248537 A, 授权公告日 2025-02-24.
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". Chemosphere, 2011, 2139, 5050-5055.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2020, 1435, (10), 2985-3003.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Diethyl 4-cyanopyridine-2,5-dicarboxylate Using HRMS and NMR". Biomed. Chromatogr., 2018, 2370, (7), 9825-9845.