9，9-二甲基-6-(4，4， 5，5-四甲基-1，3，2-二氧硼烷-2-基）-9H-芴-2-酮

9,9-Dimethyl-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-fluorene-2-carbonitrile ·