发明人马晓峰,高志强,杨光. "Method for the Synthesis of Tert-butyl (R)-5-methyl-4,7-diazaspiro[2.5]Octane-7-carboxylate" [P]. 中国发明专利, 专利号 CN 110986475 A, 授权公告日 2015-11-09.
发明人郑宇鹏,张德明,孙丽萍. "A Process for Preparing High-Purity Tert-butyl (R)-5-methyl-4,7-diazaspiro[2.5]Octane-7-carboxylate" [P]. 中国发明专利, 专利号 CN 113268774 B, 授权公告日 2024-03-13.
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