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发明人陈志强,张德明,唐晓军. "Method for the Synthesis of (2,3-Dihydrobenzo[b][1,4]dioxin-2-yl)(1,5-dioxa-9-azaspiro[5.5]undecan-9-yl)methanone" [P]. 中国发明专利, 专利号 CN 108981771 A, 授权公告日 2019-04-15.
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