发明人唐晓军,高志强,周伟. "Method for the Synthesis of 3-(Difluoromethoxy)pyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 115850012 B, 授权公告日 2022-03-22.
发明人王建平,周伟,冯建国. "A Process for Preparing High-Purity 3-(Difluoromethoxy)pyrazine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 114694593 A, 授权公告日 2024-11-25.
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