发明人何建平,罗永刚,高志强. "Method for the Synthesis of 2-(((3-Cyanophenyl)amino)methylene)malononitrile" [P]. 中国发明专利, 专利号 CN 114209036 B, 授权公告日 2016-08-06.
发明人陈志强,罗永刚,杨光. "A Process for Preparing High-Purity 2-(((3-Cyanophenyl)amino)methylene)malononitrile" [P]. 中国发明专利, 专利号 CN 112311851 B, 授权公告日 2020-04-08.
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