发明人李文辉,罗永刚,周伟. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109416061 A, 授权公告日 2023-04-18.
发明人冯建国,黄志刚,高志强. "Method for the Synthesis of Ethyl 2-(2-chloroacetamido)-5-ethyl-4-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 111403280 B, 授权公告日 2022-09-21.
发明人黄志刚,陈志强,唐晓军. "A Process for Preparing High-Purity Ethyl 2-(2-chloroacetamido)-5-ethyl-4-methylthiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108975034 B, 授权公告日 2023-09-01.
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