发明人王建平,罗永刚,高志强. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113897049 A, 授权公告日 2022-01-19.
发明人刘建华,李文辉,朱建伟. "Method for the Synthesis of Ethyl 4-formylthiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108749805 A, 授权公告日 2021-10-14.
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