发明人何建平,唐晓军,高志强. "Method for the Synthesis of Ethyl (3E)-3-cyano-2-oxo-4-{[4-(trifluoromethyl)phenyl]amino}but-3-enoate" [P]. 中国发明专利, 专利号 CN 110658793 A, 授权公告日 2017-10-22.
Stevens L M, Roberts E F, Yamamoto T. "A Process for Preparing High-Purity Ethyl (3E)-3-cyano-2-oxo-4-{[4-(trifluoromethyl)phenyl]amino}but-3-enoate" [P]. US Patent, US 10956203 B2, 2016-07-15.
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