发明人周伟,马晓峰,唐晓军. "Method for the Synthesis of tert-Butyl 9-benzyl-4-oxa-1,9-diazaspiro[5.5]undecane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111545737 A, 授权公告日 2025-05-02.
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