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发明人黄志刚,郭海燕,赵玉洁. "A Process for Preparing High-Purity 2-(2-Chlorophenoxy)-6-(4-chlorophenyl)pyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 116129658 B, 授权公告日 2017-05-13.
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