发明人孙丽萍,刘建华,黄志刚. "Method for the Synthesis of tert-butyl 7-oxo-5-azaspiro[2.4]heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115374593 A, 授权公告日 2016-01-08.
发明人赵玉洁,唐晓军,冯建国. "A Process for Preparing High-Purity tert-butyl 7-oxo-5-azaspiro[2.4]heptane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 115169648 B, 授权公告日 2023-04-14.
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