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发明人刘建华,孙丽萍,林芳. "A Process for Preparing High-Purity 4,6-Dibromo-2-(3,4-dichlorophenyl)benzo[d]oxazol-5-amine" [P]. 中国发明专利, 专利号 CN 112585917 A, 授权公告日 2015-11-03.
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