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发明人韩伟,胡光,钱学锋. "A Process for Preparing High-Purity Methyl 4-(4-bromophenyl)-2-(2-cyanoacetamido)thiophene-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109671056 B, 授权公告日 2015-09-12.
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