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发明人李文辉,黄志刚,郑宇鹏. "A Process for Preparing High-Purity 1-tert-Butyl 3-ethyl 5,5-dimethyl-4-oxopyrrolidine-1,3-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117575433 B, 授权公告日 2022-07-18.
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