发明人徐明华,陈志强,高志强. "Method for the Synthesis of 3-Amino-4-(butylamino)benzonitrile" [P]. 中国发明专利, 专利号 CN 108086504 A, 授权公告日 2021-05-03.
发明人黄志刚,杨光,林芳. "A Process for Preparing High-Purity 3-Amino-4-(butylamino)benzonitrile" [P]. 中国发明专利, 专利号 CN 110458595 A, 授权公告日 2020-08-25.
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