发明人黄志刚,杨光,胡光. "一种1-(2-氰基苯基)脲的合成方法" [P]. 中国发明专利, 专利号 CN 112709053 A, 授权公告日 2017-07-03.
发明人王建平,何建平,徐明华. "Method for the Synthesis of 1-(2-Cyanophenyl)urea" [P]. 中国发明专利, 专利号 CN 109428374 B, 授权公告日 2024-04-16.
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