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发明人王建平,孙丽萍,韩伟. "Method for the Synthesis of 5-Methyl-6-(4-methylpiperazin-1-yl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 109058840 A, 授权公告日 2018-08-25.
发明人黄志刚,赵玉洁,李文辉. "A Process for Preparing High-Purity 5-Methyl-6-(4-methylpiperazin-1-yl)nicotinic acid" [P]. 中国发明专利, 专利号 CN 113819690 B, 授权公告日 2025-04-26.
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