发明人刘建华,马晓峰,李文辉. "Method for the Synthesis of tert-Butyl 2-azaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116768299 A, 授权公告日 2015-10-27.
发明人李文辉,沈红梅,王建平. "A Process for Preparing High-Purity tert-Butyl 2-azaspiro[3.4]octane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111668563 A, 授权公告日 2015-06-09.
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