发明人何建平,马晓峰,杨光. "Method for the Synthesis of 2-ethyl-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113733118 A, 授权公告日 2016-03-22.
发明人郑宇鹏,钱学锋,李文辉. "A Process for Preparing High-Purity 2-ethyl-1H-pyrrole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108311228 A, 授权公告日 2016-10-09.
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