发明人郭海燕,林芳,杨光. "Method for the Synthesis of tert-Butyl 2-(4-bromophenyl)-3-oxo-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxylate" [P]. 中国发明专利, 专利号 CN 111041558 B, 授权公告日 2015-03-10.
发明人陈志强,赵玉洁,孙丽萍. "A Process for Preparing High-Purity tert-Butyl 2-(4-bromophenyl)-3-oxo-1,4,8-triazaspiro[4.5]dec-1-ene-8-carboxylate" [P]. 中国发明专利, 专利号 CN 108320939 A, 授权公告日 2019-08-19.
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