发明人张德明,黄志刚,马晓峰. "Method for the Synthesis of tert-Butyl 3-oxo-2-oxa-5-azabicyclo[2.2.1]heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 113263401 A, 授权公告日 2015-02-26.
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