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发明人郑宇鹏,何建平,孙丽萍. "Method for the Synthesis of Tert-butyl 6-oxo-2,5-diazaspiro[3.5]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111024499 A, 授权公告日 2022-10-16.
发明人王建平,郭海燕,高志强. "A Process for Preparing High-Purity Tert-butyl 6-oxo-2,5-diazaspiro[3.5]Nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117033401 A, 授权公告日 2023-02-16.
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