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发明人林芳,周伟,张德明. "Method for the Synthesis of tert-Butyl 1,7-dioxa-11-azadispiro[2.0.54.43]tridecane-11-carboxylate" [P]. 中国发明专利, 专利号 CN 111552107 A, 授权公告日 2018-05-28.
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