9,9'-Spirobi[fluorene]-2,2',7,7'-tetrakis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)

9,9'-Spirobi[fluorene]-2,2',7,7'-tetrakis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl) · CAS 937615-43-5