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发明人杨光,朱建伟,徐明华. "Method for the Synthesis of Ethyl 6-Bromothieno[3,2-b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111764685 B, 授权公告日 2016-10-23.
发明人林芳,孙丽萍,唐晓军. "A Process for Preparing High-Purity Ethyl 6-Bromothieno[3,2-b]thiophene-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111849404 A, 授权公告日 2017-10-13.
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