发明人郭海燕,高志强,韩伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110147617 A, 授权公告日 2022-12-03.
发明人何建平,李文辉,周伟. "Method for the Synthesis of 4-(2-Ethylbutanoyl)-N-[(oxolan-2-yl)methyl]-1H-pyrrole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112637186 A, 授权公告日 2019-07-21.
发明人孙丽萍,黄志刚,沈红梅. "A Process for Preparing High-Purity 4-(2-Ethylbutanoyl)-N-[(oxolan-2-yl)methyl]-1H-pyrrole-2-carboxamide" [P]. 中国发明专利, 专利号 CN 116001899 B, 授权公告日 2018-12-27.
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