发明人张德明,沈红梅,黄志刚. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112832805 A, 授权公告日 2017-10-18.
发明人王建平,冯建国,高志强. "Method for the Synthesis of 2-Pyrazinecarbonitrile, 3-amino-6-ethyl-, 4-oxide" [P]. 中国发明专利, 专利号 CN 110755771 B, 授权公告日 2017-05-24.
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