发明人杨光,孙丽萍,高志强. "Method for the Synthesis of Ethyl 4,5-Dimethyl-1H-pyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110454607 A, 授权公告日 2018-04-06.
发明人刘建华,徐明华,沈红梅. "A Process for Preparing High-Purity Ethyl 4,5-Dimethyl-1H-pyrrole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 117567128 A, 授权公告日 2016-06-17.
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