发明人何建平,李文辉,罗永刚. "一种4-氰基-N-羟基苯甲脒的合成方法" [P]. 中国发明专利, 专利号 CN 117838792 A, 授权公告日 2020-08-22.
发明人罗永刚,李文辉,唐晓军. "Method for the Synthesis of 4-Cyano-N-hydroxybenzimidamide" [P]. 中国发明专利, 专利号 CN 114626108 A, 授权公告日 2020-06-27.
发明人徐明华,郑宇鹏,韩伟. "A Process for Preparing High-Purity 4-Cyano-N-hydroxybenzimidamide" [P]. 中国发明专利, 专利号 CN 113053394 B, 授权公告日 2018-10-16.
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