发明人王建平,冯建国,罗永刚. "Method for the Synthesis of ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114219194 B, 授权公告日 2024-02-09.
Kowalski A, Mueller T C, Rossi M. "A Process for Preparing High-Purity ethyl 4-cyano-5-{[(1E)-(dimethylamino)methylene]amino}-3-methylthiophene-2-carboxylate" [P]. European Patent, EP 3105654 A1, 2017-04-15.
参考文献 Literature
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