发明人徐明华,李文辉,郭海燕. "Method for the Synthesis of 2-(3,4-Dimethoxyphenyl)-3-oxopropanenitrile" [P]. 中国发明专利, 专利号 CN 116317150 B, 授权公告日 2023-06-17.
发明人李文辉,罗永刚,孙丽萍. "A Process for Preparing High-Purity 2-(3,4-Dimethoxyphenyl)-3-oxopropanenitrile" [P]. 中国发明专利, 专利号 CN 110044813 B, 授权公告日 2017-06-02.
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