发明人赵玉洁,王建平,李文辉. "一种4-氧代哌啶-3-甲腈盐酸盐的合成方法" [P]. 中国发明专利, 专利号 CN 111843811 A, 授权公告日 2024-01-20.
发明人罗永刚,冯建国,李文辉. "Method for the Synthesis of 4-Oxopiperidine-3-carbonitrile Hydrochloride" [P]. 中国发明专利, 专利号 CN 112235440 B, 授权公告日 2024-12-10.
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