发明人王建平,赵玉洁,高志强. "Method for the Synthesis of 5-[1-(2-Ethoxy-phenyl)-meth-(Z)-ylidene]-imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 115700450 B, 授权公告日 2017-03-26.
发明人钱学锋,唐晓军,沈红梅. "A Process for Preparing High-Purity 5-[1-(2-Ethoxy-phenyl)-meth-(Z)-ylidene]-imidazolidine-2,4-dione" [P]. 中国发明专利, 专利号 CN 115383504 B, 授权公告日 2025-02-15.
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