7-(3'-(4,6-Diphenyl-1,3,5-triazin-2-yl)-[1,1'-biphenyl]-3-yl)spiro[fluorene-9,9'-xanthene]-2-carbonitrile 1g

7-(3'-(4,6-Diphenyl-1,3,5-triazin-2-yl)-[1,1'-biphenyl]-3-yl)spiro[fluorene-9,9'-xanthene]-2-carbonitrile 1g