发明人刘建华,冯建国,高志强. "Method for the Synthesis of 2-((3,4-Dihydroquinoxalin-1(2H)-yl)methylene)malononitrile" [P]. 中国发明专利, 专利号 CN 114620703 A, 授权公告日 2024-09-11.
发明人黄志刚,赵玉洁,何建平. "A Process for Preparing High-Purity 2-((3,4-Dihydroquinoxalin-1(2H)-yl)methylene)malononitrile" [P]. 中国发明专利, 专利号 CN 110626577 A, 授权公告日 2022-11-10.
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