发明人赵玉洁,林芳,李文辉. "Method for the Synthesis of N-methylpiperazine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 110179753 A, 授权公告日 2024-11-16.
发明人王建平,张德明,罗永刚. "A Process for Preparing High-Purity N-methylpiperazine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 112404813 B, 授权公告日 2018-08-22.
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