发明人罗永刚,王建平,韩伟. "Method for the Synthesis of 1-(3,4-Dimethylbenzyl)-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108925907 A, 授权公告日 2020-04-10.
发明人韩伟,徐明华,刘建华. "A Process for Preparing High-Purity 1-(3,4-Dimethylbenzyl)-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108746991 B, 授权公告日 2021-04-18.
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