发明人李文辉,冯建国,周伟. "Method for the Synthesis of 5-[1-Thiophen-2-yl-meth-(E)-ylidene]-imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 117235996 A, 授权公告日 2019-07-27.
发明人林芳,刘建华,高志强. "A Process for Preparing High-Purity 5-[1-Thiophen-2-yl-meth-(E)-ylidene]-imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 113766203 B, 授权公告日 2021-07-11.
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