Williams B T, Park J H, Roberts E F. "一种ethyl 2-cyano-4-(pyridin-3-yl)butanoate的合成方法" [P]. US Patent, US 11340668 B2, 2022-10-12.
Martínez F, Sørensen M, Björnsson E. "Method for the Synthesis of ethyl 2-cyano-4-(pyridin-3-yl)butanoate" [P]. European Patent, EP 3016919 A1, 2015-01-03.
发明人冯建国,黄志刚,杨光. "A Process for Preparing High-Purity ethyl 2-cyano-4-(pyridin-3-yl)butanoate" [P]. 中国发明专利, 专利号 CN 116981086 B, 授权公告日 2025-05-13.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of ethyl 2-cyano-4-(pyridin-3-yl)butanoate in Pharmaceutical Formulations". J. Sep. Sci., 2020, 2203, 4219-4243.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl 2-cyano-4-(pyridin-3-yl)butanoate as an Impurity". Rapid Commun. Mass Spectrom., 2012, 579, (4), 6574-6595.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of ethyl 2-cyano-4-(pyridin-3-yl)butanoate Using HRMS and NMR". J. Chromatogr. A, 2013, 676, 3382-3390.