发明人冯建国,孙丽萍,林芳. "Method for the Synthesis of 5-Ethyl-N-isobutyl-4-methylthiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 112806446 A, 授权公告日 2020-04-16.
发明人何建平,钱学锋,胡光. "A Process for Preparing High-Purity 5-Ethyl-N-isobutyl-4-methylthiophene-2-carboxamide" [P]. 中国发明专利, 专利号 CN 115161808 B, 授权公告日 2018-11-24.
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