发明人张德明,周伟,李文辉. "Method for the Synthesis of 4-(3,4-dimethoxybenzoyl)piperidine hydrochloride" [P]. 中国发明专利, 专利号 CN 108905774 A, 授权公告日 2019-08-27.
发明人郑宇鹏,刘建华,唐晓军. "A Process for Preparing High-Purity 4-(3,4-dimethoxybenzoyl)piperidine hydrochloride" [P]. 中国发明专利, 专利号 CN 116085236 B, 授权公告日 2025-05-13.
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