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发明人李文辉,王建平,罗永刚. "A Process for Preparing High-Purity (2S,3S)-2-(4-Chlorophenyl)-1-ethyl-6-oxopiperidine-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114654272 A, 授权公告日 2022-05-21.
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