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发明人郭海燕,黄志刚,赵玉洁. "A Process for Preparing High-Purity 1-(3-Bromo-5-chloropyridin-2-yl)-2-chloroethan-1-one" [P]. 中国发明专利, 专利号 CN 116535940 B, 授权公告日 2015-11-25.
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