发明人王建平,赵玉洁,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111295970 A, 授权公告日 2022-02-11.
发明人郑宇鹏,罗永刚,高志强. "Method for the Synthesis of 2-{[(3-chlorophenyl)amino]methylidene}propanedinitrile" [P]. 中国发明专利, 专利号 CN 108825659 A, 授权公告日 2022-12-04.
发明人罗永刚,胡光,张德明. "A Process for Preparing High-Purity 2-{[(3-chlorophenyl)amino]methylidene}propanedinitrile" [P]. 中国发明专利, 专利号 CN 112649157 B, 授权公告日 2020-03-16.
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