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发明人李文辉,郑宇鹏,周伟. "Method for the Synthesis of Benzyl 1-((tert-butoxycarbonyl)amino)-6-azaspiro[2.5]octane-6-carboxylate" [P]. 中国发明专利, 专利号 CN 112356636 A, 授权公告日 2022-05-28.
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