4,4'-bis(3-(naphtho[2,1-d]oxazol-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(benzo[b]thiophen-6-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(furo[2,3-b]pyridin-2-yl)-7-(trifluoromethyl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(2-phenylbenzo[b]thiophen-5-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(2-phenylfuro[2,3-c]pyridin-5-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(2-phenylbenzo[d]oxazol-4-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(benzo[d]oxazol-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(benzofuran-3-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(12,12-dimethyl-4-oxa-8-aza-3a2-boradibenzo[cd,mn]pyren-8(12H)-yl)-1,1'-biphenyl

4,4'-bis(10-(benzofuran-2-yl)-7H-benzo[c]carbazol-7-yl)-1,1'-biphenyl

4,4'-bis(12,12-dimethyl-4-thia-8-aza-3a2-boradibenzo[cd,mn]pyren-8(12H)-yl)-1,1'-biphenyl

4,4'-bis(2-(benzo[d]oxazol-2-yl)-10H-phenoxazin-10-yl)-1,1'-biphenyl

4,4'-bis(1-(thieno[3,2-b]pyridin-3-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(10-(4-vinylbenzyl)phenazin-5(10H)-yl)-1,1'-biphenyl

4',4'''-(dibenzo[a,c]phenazine-9,14-diyl)bis(N,N-diphenyl-[1,1'-biphenyl]-4-amine)

4,4',4'',4'''-([1,1'-biphenyl]-4,4'-diylbis(azanetriyl))tetraphthalonitrile

4',4'''-([1,1'-biphenyl]-4,4'-diylbis(phenylazanediyl))bis(([1,1'-biphenyl]-3,5-dicarbonitrile))

4',4'''-([1,1'-biphenyl]-4,4'-diylbis(phenylazanediyl))bis(([1,1'-biphenyl]-4-carboxylic acid))

4,4'-([1,1'-biphenyl]-4,4'-diylbis((4-(pyrrolo[1,2-a]pyrimidin-7-yl)phenyl)azanediyl))dibenzonitrile

4,4'-([1,1'-biphenyl]-4,4'-diylbis((4-(imidazo[1,2-a]pyridin-2-yl)phenyl)azanediyl))dibenzonitrile