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发明人黄志刚,陈志强,钱学锋. "Method for the Synthesis of Tert-butyl 6,6-difluoro-1-oxo-2,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 111523610 B, 授权公告日 2020-01-24.
发明人杨光,黄志刚,冯建国. "A Process for Preparing High-Purity Tert-butyl 6,6-difluoro-1-oxo-2,8-diazaspiro[4.5]Decane-8-carboxylate" [P]. 中国发明专利, 专利号 CN 112186435 B, 授权公告日 2021-09-20.
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