发明人孙丽萍,唐晓军,赵玉洁. "Method for the Synthesis of 2,2-Dimethyl-6-oxa-9-azaspiro[4.5]decane hydrochloride" [P]. 中国发明专利, 专利号 CN 114850029 B, 授权公告日 2016-09-26.
发明人马晓峰,赵玉洁,沈红梅. "A Process for Preparing High-Purity 2,2-Dimethyl-6-oxa-9-azaspiro[4.5]decane hydrochloride" [P]. 中国发明专利, 专利号 CN 111931601 B, 授权公告日 2025-02-01.
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