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发明人郭海燕,唐晓军,刘建华. "Method for the Synthesis of 2-(3,4-Dimethoxyphenyl)-N-(2-(dimethylamino)-2-(thiophen-2-yl)ethyl)acetamide" [P]. 中国发明专利, 专利号 CN 116292890 B, 授权公告日 2020-09-12.
发明人李文辉,郑宇鹏,冯建国. "A Process for Preparing High-Purity 2-(3,4-Dimethoxyphenyl)-N-(2-(dimethylamino)-2-(thiophen-2-yl)ethyl)acetamide" [P]. 中国发明专利, 专利号 CN 109220060 B, 授权公告日 2025-02-20.
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