发明人李文辉,唐晓军,刘建华. "Method for the Synthesis of 5,6-Dimethoxypyrazine-2,3-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 117282959 B, 授权公告日 2018-06-26.
发明人沈红梅,马晓峰,韩伟. "A Process for Preparing High-Purity 5,6-Dimethoxypyrazine-2,3-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 114983030 A, 授权公告日 2022-05-21.
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