发明人郑宇鹏,钱学锋,罗永刚. "Method for the Synthesis of 1-tert-Butyl 2-ethyl 4-hydroxypiperidine-1,2-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111426024 A, 授权公告日 2018-06-21.
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