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发明人郑宇鹏,冯建国,唐晓军. "A Process for Preparing High-Purity N-((1-(2-Hydroxyethyl)piperidin-2-yl)methyl)-N-isopropylacetamide" [P]. 中国发明专利, 专利号 CN 117294337 A, 授权公告日 2020-06-08.
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