发明人周伟,李文辉,孙丽萍. "Method for the Synthesis of tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 108047858 B, 授权公告日 2018-07-05.
发明人马晓峰,罗永刚,杨光. "A Process for Preparing High-Purity tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate" [P]. 中国发明专利, 专利号 CN 112502423 A, 授权公告日 2020-12-09.
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