发明人刘建华,王建平,胡光. "Method for the Synthesis of 2-(4-(Difluoromethoxy)benzylidene)malononitrile" [P]. 中国发明专利, 专利号 CN 109967017 A, 授权公告日 2024-05-26.
发明人李文辉,唐晓军,郑宇鹏. "A Process for Preparing High-Purity 2-(4-(Difluoromethoxy)benzylidene)malononitrile" [P]. 中国发明专利, 专利号 CN 116430836 B, 授权公告日 2018-10-26.
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