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发明人高志强,胡光,唐晓军. "Method for the Synthesis of tert-Butyl 6-oxa-2,9-diazaspiro[4.5]decane-9-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 114398405 B, 授权公告日 2025-06-20.
发明人马晓峰,黄志刚,周伟. "A Process for Preparing High-Purity tert-Butyl 6-oxa-2,9-diazaspiro[4.5]decane-9-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 116928876 A, 授权公告日 2024-05-06.
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