发明人罗永刚,徐明华,郭海燕. "Method for the Synthesis of Tert-butyl 6-hydroxy-1-azaspiro[3.5]Nonane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 117179733 B, 授权公告日 2019-08-01.
发明人唐晓军,冯建国,胡光. "A Process for Preparing High-Purity Tert-butyl 6-hydroxy-1-azaspiro[3.5]Nonane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111813660 A, 授权公告日 2017-12-01.
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