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发明人胡光,何建平,刘建华. "Method for the Synthesis of Tert-butyl 3-oxo-1-oxa-4,8-diazaspiro[5.5]Undecane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 113593758 B, 授权公告日 2019-12-27.
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