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发明人韩伟,赵玉洁,冯建国. "Method for the Synthesis of 5-(4-Methoxyphenyl)-6-methylpyrazine-2,3-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 114974070 B, 授权公告日 2024-04-21.
发明人唐晓军,韩伟,郑宇鹏. "A Process for Preparing High-Purity 5-(4-Methoxyphenyl)-6-methylpyrazine-2,3-dicarbonitrile" [P]. 中国发明专利, 专利号 CN 108729816 B, 授权公告日 2025-09-28.
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