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发明人王建平,孙丽萍,林芳. "A Process for Preparing High-Purity Ethyl 6-amino-5-cyano-4-(furan-2-yl)-2-methyl-4h-pyran-3-carboxylate" [P]. 中国发明专利, 专利号 CN 110123439 A, 授权公告日 2018-08-28.
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