发明人张德明,黄志刚,罗永刚. "Method for the Synthesis of 2-(Tert-butyl) 4-ethyl 3-hydroxy-2-azabicyclo[2.2.2]Octane-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 109412851 A, 授权公告日 2017-01-13.
发明人罗永刚,林芳,郑宇鹏. "A Process for Preparing High-Purity 2-(Tert-butyl) 4-ethyl 3-hydroxy-2-azabicyclo[2.2.2]Octane-2,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 111182557 B, 授权公告日 2017-05-19.
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