Fischer A B, Hughes D C, Stevens L M. "Method for the Synthesis of Tert-butyl 2-methyl-4-oxo-1,3,8-triazaspiro[4.5]Dec-2-ene-8-carboxylate" [P]. US Patent, US 9331264 B2, 2016-02-17.
发明人冯建国,徐明华,王建平. "A Process for Preparing High-Purity Tert-butyl 2-methyl-4-oxo-1,3,8-triazaspiro[4.5]Dec-2-ene-8-carboxylate" [P]. 中国发明专利, 专利号 CN 108594677 A, 授权公告日 2022-11-10.
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