发明人郑宇鹏,林芳,王建平. "Method for the Synthesis of 1-Methyl-4,4’-bipiperidine" [P]. 中国发明专利, 专利号 CN 112113664 B, 授权公告日 2019-06-27.
发明人杨光,马晓峰,朱建伟. "A Process for Preparing High-Purity 1-Methyl-4,4’-bipiperidine" [P]. 中国发明专利, 专利号 CN 115144102 B, 授权公告日 2024-03-13.
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