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发明人杨光,黄志刚,陈志强. "A Process for Preparing High-Purity Ethyl 1-(pyridin-3-ylmethyl)piperidine-4-carboxylate" [P]. 中国发明专利, 专利号 CN 113440988 A, 授权公告日 2022-03-25.
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