发明人沈红梅,张德明,冯建国. "Method for the Synthesis of 1-tert-Butyl 4-ethyl 4-cyanopiperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 117568972 B, 授权公告日 2019-03-10.
发明人黄志刚,冯建国,刘建华. "A Process for Preparing High-Purity 1-tert-Butyl 4-ethyl 4-cyanopiperidine-1,4-dicarboxylate" [P]. 中国发明专利, 专利号 CN 113261468 B, 授权公告日 2024-01-17.
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