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发明人李文辉,沈红梅,冯建国. "A Process for Preparing High-Purity Ethyl 7-bromothieno[2,3-c]pyridine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115806095 B, 授权公告日 2020-01-25.
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