发明人刘建华,林芳,唐晓军. "Method for the Synthesis of tert-butyl (4S)-1,7-diazaspiro[3.4]octane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 109681443 B, 授权公告日 2022-11-06.
发明人马晓峰,胡光,何建平. "A Process for Preparing High-Purity tert-butyl (4S)-1,7-diazaspiro[3.4]octane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 114541767 A, 授权公告日 2019-07-21.
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