发明人张德明,马晓峰,黄志刚. "Method for the Synthesis of 3-Hydroxy-4-methoxy-N,N-dimethylbenzamide" [P]. 中国发明专利, 专利号 CN 109891644 A, 授权公告日 2025-06-18.
发明人李文辉,唐晓军,周伟. "A Process for Preparing High-Purity 3-Hydroxy-4-methoxy-N,N-dimethylbenzamide" [P]. 中国发明专利, 专利号 CN 108192533 B, 授权公告日 2020-01-09.
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