发明人黄志刚,周伟,王建平. "Method for the Synthesis of 1-tert-Butyl 4-ethyl 4-(pyridin-4-yl)piperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 115538594 B, 授权公告日 2016-02-25.
发明人周伟,马晓峰,张德明. "A Process for Preparing High-Purity 1-tert-Butyl 4-ethyl 4-(pyridin-4-yl)piperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 110397833 A, 授权公告日 2015-10-25.
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