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发明人王建平,张德明,黄志刚. "Method for the Synthesis of 7,7-Difluoro-5-oxa-2-azaspiro[3.4]octane 2,2,2-trifluoroacetic acid" [P]. 中国发明专利, 专利号 CN 111204107 A, 授权公告日 2019-12-20.
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