发明人郑宇鹏,李文辉,唐晓军. "Method for the Synthesis of tert-Butyl 2-methyl-5-oxo-1,4-diazepane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 116602400 A, 授权公告日 2019-05-18.
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