发明人黄志刚,李文辉,杨光. "Method for the Synthesis of Ethyl 2-(2-ethoxy-2-oxoethyl)-1,4-dimethyl-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109068499 A, 授权公告日 2015-09-23.
发明人黄志刚,钱学锋,徐明华. "A Process for Preparing High-Purity Ethyl 2-(2-ethoxy-2-oxoethyl)-1,4-dimethyl-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111835212 A, 授权公告日 2022-06-03.
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