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发明人王建平,陈志强,朱建伟. "Method for the Synthesis of ethyl 3-(5-acetyl-2,3-dihydro-1H-pyrrolizin-1-yl)-2,2-difluoro-propanoate" [P]. 中国发明专利, 专利号 CN 109912754 A, 授权公告日 2017-12-27.
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