发明人罗永刚,韩伟,胡光. "Method for the Synthesis of tert-butyl 3-methyl-2,8-diazaspiro[4.5]decane-8-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 114596797 B, 授权公告日 2017-12-15.
发明人李文辉,赵玉洁,陈志强. "A Process for Preparing High-Purity tert-butyl 3-methyl-2,8-diazaspiro[4.5]decane-8-carboxylate hydrochloride" [P]. 中国发明专利, 专利号 CN 110381510 B, 授权公告日 2023-03-06.
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