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发明人孙丽萍,杨光,李文辉. "A Process for Preparing High-Purity 3-(4-Fluorophenylsulfanyl)-5-trifluoromethylpyridine-2-carbonitrile" [P]. 中国发明专利, 专利号 CN 109589685 A, 授权公告日 2021-03-16.
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