发明人杨光,冯建国,何建平. "Method for the Synthesis of 1-(4-Ethylphenyl)-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111922926 B, 授权公告日 2015-03-12.
发明人朱建伟,杨光,周伟. "A Process for Preparing High-Purity 1-(4-Ethylphenyl)-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113422833 B, 授权公告日 2018-05-17.
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