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发明人唐晓军,黄志刚,郑宇鹏. "A Process for Preparing High-Purity 2-Methyl-2,9-diazaspiro[5.5]undecan-3-one dihydrochloride" [P]. 中国发明专利, 专利号 CN 113145985 A, 授权公告日 2022-09-28.
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