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

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

4,4'-bis(3-(benzo[d]oxazol-2-yl)-10H-phenoxazin-10-yl)-1,1'-biphenyl

4,4'-bis(3-(6-fluorobenzofuran-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(benzofuran-2-yl)-6-isopropyl-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(benzofuran-7-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(6-(benzo[b]thiophen-3-yl)pyridin-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

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

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

4,4'-bis(3-(2-phenylbenzo[d]oxazol-4-yl)-10H-phenoxazin-10-yl)-1,1'-biphenyl

4,4'-bis(3-(2-(naphthalen-2-yl)benzofuran-5-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

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

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

4,4'-bis(2-(thiazolo[5,4-b]pyridin-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

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

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

4,4'-bis(1-fluoro-8-(furo[3,2-b]pyridin-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

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

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

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