发明人朱建伟,张德明,罗永刚. "Method for the Synthesis of 1-methyl-4-nitropyrrole-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 115250514 B, 授权公告日 2016-06-05.
发明人刘建华,赵玉洁,马晓峰. "A Process for Preparing High-Purity 1-methyl-4-nitropyrrole-2-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 113097175 A, 授权公告日 2023-07-21.
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