676168-63-1

9,9'-spirobi[fluorene]-2,2'-diyldiboronic acid pinacol ester 2,2-Diboronic acid bis(pinacol) ester-9,9′-spirobi[9H-fluorene] 2,2'-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9'-spirobi[fluorene] 2,2'-(9,9'-Spirobi[fluorene]-2,2'-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 2,2′-(9,9′-Spirobi[9H-fluorene]-2,2′-diyl)bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane] 1,3,2-Dioxaborolane, 2,2'-(9,9'-spirobi[9H-fluorene]-2,2'-diyl)bis[4,4,5,5-tetramethyl-