发明人周伟,孙丽萍,李文辉. "一种3,5-二氯-6-乙基吡嗪-2-甲酰胺的合成方法" [P]. 中国发明专利, 专利号 CN 108644987 A, 授权公告日 2020-04-28.
发明人罗永刚,郑宇鹏,高志强. "Method for the Synthesis of 3,5-Dichloro-6-ethylpyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112881220 B, 授权公告日 2025-11-02.
发明人杨光,高志强,刘建华. "A Process for Preparing High-Purity 3,5-Dichloro-6-ethylpyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 109589461 A, 授权公告日 2020-11-19.
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