发明人郑宇鹏,陈志强,胡光. "Method for the Synthesis of Ethyl 1-(2-cyano-4-nitrophenyl)piperidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117364428 B, 授权公告日 2024-06-06.
发明人赵玉洁,冯建国,黄志刚. "A Process for Preparing High-Purity Ethyl 1-(2-cyano-4-nitrophenyl)piperidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109893174 A, 授权公告日 2022-05-24.
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