发明人杨光,徐明华,冯建国. "一种5-甲基吡嗪-2-羧酰胺的合成方法" [P]. 中国发明专利, 专利号 CN 116405628 A, 授权公告日 2022-06-01.
发明人赵玉洁,徐明华,郭海燕. "Method for the Synthesis of 5-Methylpyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 111649673 B, 授权公告日 2022-03-03.
发明人郑宇鹏,冯建国,何建平. "A Process for Preparing High-Purity 5-Methylpyrazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112959518 B, 授权公告日 2017-04-11.
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