发明人李文辉,朱建伟,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110353051 A, 授权公告日 2020-11-08.
发明人黄志刚,陈志强,唐晓军. "Method for the Synthesis of tert-Butyl 7-amino-4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 112834885 A, 授权公告日 2019-11-16.
发明人唐晓军,胡光,张德明. "A Process for Preparing High-Purity tert-Butyl 7-amino-4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidine]-1'-carboxylate" [P]. 中国发明专利, 专利号 CN 114006809 A, 授权公告日 2024-08-12.
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