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发明人高志强,钱学锋,黄志刚. "A Process for Preparing High-Purity Ethyl 4-chloro-5-(((2-hydroxyethyl)amino)methyl)-3-methylbenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110399218 A, 授权公告日 2015-08-25.
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