发明人林芳,马晓峰,韩伟. "Method for the Synthesis of N-methyl-2-(2-oxopiperazin-1-yl)acetamide" [P]. 中国发明专利, 专利号 CN 115557868 A, 授权公告日 2020-07-02.
发明人何建平,赵玉洁,韩伟. "A Process for Preparing High-Purity N-methyl-2-(2-oxopiperazin-1-yl)acetamide" [P]. 中国发明专利, 专利号 CN 110249110 A, 授权公告日 2015-07-03.
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