发明人郑宇鹏,黄志刚,陈志强. "Method for the Synthesis of Memantine Impurity N1(Mixture of Diastereomers)" [P]. 中国发明专利, 专利号 CN 111599821 B, 授权公告日 2017-07-20.
发明人马晓峰,胡光,刘建华. "A Process for Preparing High-Purity Memantine Impurity N1(Mixture of Diastereomers)" [P]. 中国发明专利, 专利号 CN 112750258 B, 授权公告日 2024-12-08.
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