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发明人马晓峰,杨光,陈志强. "A Process for Preparing High-Purity 4-(((5-(Diethylamino)furan-2-yl)methylene)amino)benzoic acid" [P]. 中国发明专利, 专利号 CN 113007494 B, 授权公告日 2017-10-23.
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