发明人黄志刚,徐明华,沈红梅. "Method for the Synthesis of o1-Tert-butylo4-ethyl(+)-(3r,4r)-3-hydroxypiperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117793050 A, 授权公告日 2017-11-23.
发明人郑宇鹏,李文辉,何建平. "A Process for Preparing High-Purity o1-Tert-butylo4-ethyl(+)-(3r,4r)-3-hydroxypiperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113336274 A, 授权公告日 2017-04-06.
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