发明人胡光,王建平,沈红梅. "Method for the Synthesis of (E)-Ethyl 4,5-dimethyl-2-(((2-oxo-6,7,8,9-tetrahydrodibenzo[b,d]furan-1(2H)-ylidene)methyl)amino)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 115976213 B, 授权公告日 2020-06-11.
Mueller T, Chen K W, Kumar R. "A Process for Preparing High-Purity (E)-Ethyl 4,5-dimethyl-2-(((2-oxo-6,7,8,9-tetrahydrodibenzo[b,d]furan-1(2H)-ylidene)methyl)amino)thiophene-3-carboxylate" [P]. US Patent, US 9366562 B2, 2019-04-21.
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