1,3,2-Dioxaborolane, 2,2'-[9,9-bis(4-hexylphenyl)-9H-fluorene-2,7-diyl]bis[4,4,5,5-tetramethyl-

1,3,2-Dioxaborolane, 2,2'-[9,9-bis(4-hexylphenyl)-9H-fluorene-2,7-diyl]bis[4,4,5,5-tetramethyl-