发明人朱建伟,徐明华,杨光. "Method for the Synthesis of 4-Difluoromethoxy-3-(trifluoromethoxy)benzonitrile" [P]. 中国发明专利, 专利号 CN 116093492 A, 授权公告日 2022-05-10.
发明人赵玉洁,徐明华,罗永刚. "A Process for Preparing High-Purity 4-Difluoromethoxy-3-(trifluoromethoxy)benzonitrile" [P]. 中国发明专利, 专利号 CN 109992123 B, 授权公告日 2019-08-17.
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