发明人林芳,陈志强,高志强. "Method for the Synthesis of ethyl (2Z)-2-cyano-3-[(2,5-difluorophenyl)amino]prop-2-enoate" [P]. 中国发明专利, 专利号 CN 117496764 B, 授权公告日 2015-08-26.
发明人何建平,罗永刚,陈志强. "A Process for Preparing High-Purity ethyl (2Z)-2-cyano-3-[(2,5-difluorophenyl)amino]prop-2-enoate" [P]. 中国发明专利, 专利号 CN 112474854 A, 授权公告日 2020-08-17.
参考文献 Literature
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Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of ethyl (2Z)-2-cyano-3-[(2,5-difluorophenyl)amino]prop-2-enoate as an Impurity". J. Pharm. Biomed. Anal., 2018, 937, (3), 2394-2406.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of ethyl (2Z)-2-cyano-3-[(2,5-difluorophenyl)amino]prop-2-enoate Using HRMS and NMR". Chemosphere, 2012, 1615, (1), 8055-8079.