发明人刘建华,陈志强,郑宇鹏. "Method for the Synthesis of Benzyl 3,9-diazaspiro[5.6]Dodecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 115569747 A, 授权公告日 2020-10-17.
发明人郑宇鹏,黄志刚,周伟. "A Process for Preparing High-Purity Benzyl 3,9-diazaspiro[5.6]Dodecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 111853595 B, 授权公告日 2023-05-28.
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