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发明人张德明,刘建华,冯建国. "Method for the Synthesis of (5Z)-3-(4-Chlorophenyl)-5-[(4-chlorophenyl)methylidene]-2-sulfanylideneimidazolidin-4-one" [P]. 中国发明专利, 专利号 CN 110337183 A, 授权公告日 2021-12-10.
发明人韩伟,沈红梅,陈志强. "A Process for Preparing High-Purity (5Z)-3-(4-Chlorophenyl)-5-[(4-chlorophenyl)methylidene]-2-sulfanylideneimidazolidin-4-one" [P]. 中国发明专利, 专利号 CN 110161182 A, 授权公告日 2023-07-04.
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