发明人黄志刚,林芳,徐明华. "Method for the Synthesis of tert-Butyl 3-bromospiro[5,6-dihydropyrrolo[1,2-a]imidazole-7,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 108216682 B, 授权公告日 2020-03-17.
发明人冯建国,胡光,韩伟. "A Process for Preparing High-Purity tert-Butyl 3-bromospiro[5,6-dihydropyrrolo[1,2-a]imidazole-7,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 111251785 B, 授权公告日 2021-08-12.
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