发明人刘建华,唐晓军,林芳. "Method for the Synthesis of Benzyl 1-((tert-butoxycarbonyl)amino)-5-azaspiro[2.5]Octane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 111644447 B, 授权公告日 2022-08-07.
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