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发明人张德明,黄志刚,郑宇鹏. "A Process for Preparing High-Purity Ethyl 3-(1-benzyl-4-oxopiperidin-3-yl)propanoate hydrochloride" [P]. 中国发明专利, 专利号 CN 113646703 B, 授权公告日 2023-06-15.
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