861455-18-7

M7503 2,2'-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9,9'-spirobi[fluorene] 2,2'-(9,9'-spirobi[fluorene]-2,3'-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) 1,3,2-Dioxaborolane, 2,2'-(9R)-9,9'-spirobi[9H-fluorene]-2,2'-diylbis[4,4,5,5-tetramethyl- (9CI)