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发明人李文辉,罗永刚,高志强. "A Process for Preparing High-Purity Exo-9-methyl-3-oxa-9-azabicyclo[3.3.1]nonan-7-amine dihydrochloride" [P]. 中国发明专利, 专利号 CN 116323791 B, 授权公告日 2018-07-12.
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