发明人张德明,朱建伟,郭海燕. "Method for the Synthesis of 3,4-Diethyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 108159125 B, 授权公告日 2017-10-21.
发明人赵玉洁,高志强,何建平. "A Process for Preparing High-Purity 3,4-Diethyl-1H-pyrrole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113624763 A, 授权公告日 2021-10-10.
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