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发明人何建平,郑宇鹏,徐明华. "A Process for Preparing High-Purity 8-Benzyl-4-(furan-2-carbonyl)-1-oxa-4,8-diazaspiro[4.5]decane-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109907422 A, 授权公告日 2017-11-02.
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