发明人刘建华,高志强,周伟. "Method for the Synthesis of 1-Methyl-4-(3-methylpyridin-2-yl)piperazine" [P]. 中国发明专利, 专利号 CN 109691717 B, 授权公告日 2020-07-21.
发明人刘建华,陈志强,杨光. "A Process for Preparing High-Purity 1-Methyl-4-(3-methylpyridin-2-yl)piperazine" [P]. 中国发明专利, 专利号 CN 108959149 B, 授权公告日 2022-08-24.
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