发明人郑宇鹏,罗永刚,钱学锋. "Method for the Synthesis of N-((1,4-Dioxaspiro[4.4]nonan-2-yl)methyl)cyclohexanecarboxamide" [P]. 中国发明专利, 专利号 CN 115090600 B, 授权公告日 2021-08-09.
发明人王建平,陈志强,唐晓军. "A Process for Preparing High-Purity N-((1,4-Dioxaspiro[4.4]nonan-2-yl)methyl)cyclohexanecarboxamide" [P]. 中国发明专利, 专利号 CN 113893579 A, 授权公告日 2018-09-06.
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