发明人郑宇鹏,张德明,何建平. "Method for the Synthesis of tert-Butyl 8-oxo-6-oxa-2,9-diazaspiro[4.5]decane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111176951 B, 授权公告日 2020-12-25.
发明人赵玉洁,林芳,唐晓军. "A Process for Preparing High-Purity tert-Butyl 8-oxo-6-oxa-2,9-diazaspiro[4.5]decane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114470617 B, 授权公告日 2020-05-21.
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