发明人赵玉洁,陈志强,周伟. "Method for the Synthesis of 1-Methyl-2-piperazinone" [P]. 中国发明专利, 专利号 CN 117521874 A, 授权公告日 2024-03-10.
发明人冯建国,马晓峰,韩伟. "A Process for Preparing High-Purity 1-Methyl-2-piperazinone" [P]. 中国发明专利, 专利号 CN 109525129 B, 授权公告日 2023-10-04.
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