发明人王建平,马晓峰,沈红梅. "Method for the Synthesis of N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-hydroxybenzamide" [P]. 中国发明专利, 专利号 CN 114176821 A, 授权公告日 2016-02-17.
发明人冯建国,黄志刚,罗永刚. "A Process for Preparing High-Purity N-[2-(3,4-Dimethoxyphenyl)ethyl]-2-hydroxybenzamide" [P]. 中国发明专利, 专利号 CN 110336312 B, 授权公告日 2019-04-03.
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