发明人杨光,罗永刚,赵玉洁. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112220599 A, 授权公告日 2019-10-19.
发明人张德明,罗永刚,沈红梅. "Method for the Synthesis of 2-(3,4-Dimethoxyphenyl)-2-(pyrazin-2-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 113949896 A, 授权公告日 2017-07-13.
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