发明人王建平,郑宇鹏,何建平. "Method for the Synthesis of Tert-butyl 4,8,8-trimethyl-5-oxo-1,4,9-triazaspiro[5.5]Undecane-9-carboxylate" [P]. 中国发明专利, 专利号 CN 116106705 A, 授权公告日 2025-09-06.
Johansson L, Nowak P, Nielsen H. "A Process for Preparing High-Purity Tert-butyl 4,8,8-trimethyl-5-oxo-1,4,9-triazaspiro[5.5]Undecane-9-carboxylate" [P]. European Patent, EP 3155986 A1, 2018-01-12.
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