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

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

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

4,4'-bis(10-(furo[2,3-d]pyrimidin-6-yl)-7H-benzo[c]carbazol-7-yl)-1,1'-biphenyl

4,4'-bis(2-(4-(benzo[b]thiophen-7-yl)phenyl)-9H-carbazol-9-yl)-1,1'-biphenyl

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

4,4'-bis(2-(benzofuran-2-yl)-7-(4-fluorophenyl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(benzofuran-2-yl)-5H-benzo[b]carbazol-5-yl)-1,1'-biphenyl

4,4'-([1,1'-biphenyl]-4,4'-diylbis((5,5-dimethyl-5H-dibenzo[b,d]silol-3-yl)azanediyl))dibenzonitrile

4,4'-([1,1'-biphenyl]-4,4'-diylbis(phenylazanediyl))bis(2-(((2-hydroxy-5-methoxybenzyl)(methyl)amino)methyl)phenol)

4,4'-([1,1'-biphenyl]-4,4'-diylbis((5-phenylnaphthalen-1-yl)azanediyl))dibenzonitrile

4,4'-([1,1'-biphenyl]-4,4'-diylbis(phenylazanediyl))diphthalonitrile

4,4'-([1,1'-biphenyl]-4,4'-diylbis((4-(pyrazolo[1,5-a]pyridin-2-yl)phenyl)azanediyl))dibenzonitrile

4,4'-([1,1'-biphenyl]-4,4'-diylbis((4-(isoquinolin-6-yl)phenyl)azanediyl))dibenzonitrile

4'-(dibenzo[3',4':5',6']azuleno[7',8',1':4,5,6]naphtho[8,1,2-bcd]indol-10(8H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4,4'-((4'-(12H-6-oxa-12-azaindeno[2,1,7,6-ghij]pleiaden-12-yl)-[1,1'-biphenyl]-4-yl)azanediyl)dibenzonitrile

4,4'-(11,11'-([1,1'-biphenyl]-4,4'-diyl)bis(indolo[3,2-b]carbazole-11,5(11H)-diyl))dibenzaldehyde

4,4'-(11,11'-([1,1'-biphenyl]-4,4'-diyl)bis(indolo[3,2-b]carbazole-11,5(11H)-diyl))dibenzoic acid

4'-(9-(dibenzo[b,d]thiophen-4-yl)-13c-methyl-9,13c-dihydro-5H-indolo[3',2':4,5]cyclopenta[1,2,3-kl]acridin-5-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(9H-carbazol-9-yl)-N-(4-(7,7-dimethyl-7H-fluoreno[4,3-b]benzofuran-1-yl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine