(E)-N4-(4-((2,2-diphenylhydrazono)methyl)phenyl)-N4,N4',N4'-triphenyl-[1,1'-biphenyl]-4,4'-diamine

(4-((4'-(phenyl(p-tolyl)amino)-[1,1'-biphenyl]-4-yl)(p-tolyl)amino)phenyl)methanol

(E)-N4-(4-((2-methyl-2-phenylhydrazono)methyl)phenyl)-N4'-phenyl-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine

4-((3-fluorophenyl)(4'-(phenyl(spiro[adamantane-2,11'-benzo[a]fluoren]-9'-yl)amino)-[1,1'-biphenyl]-4-yl)amino)benzonitrile

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

4',4'''-((4'-(diphenylamino)-[1,1'-biphenyl]-4-yl)azanediyl)bis([1,1'-biphenyl]-3,4-dicarbonitrile)

4-((4'-(phenyl(o-tolyl)amino)-[1,1'-biphenyl]-4-yl)(o-tolyl)amino)benzaldehyde

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

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

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

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

4,4'-bis(3,6-di(pyridin-4-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3,6-bis(furo[2,3-d]pyridazin-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

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

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

4,4'-bis(3-(tert-butyl)-6-(5-phenylbenzofuran-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(furo[2,3-c]pyridin-2-yl)-6-phenyl-9H-carbazol-9-yl)-1,1'-biphenyl

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

4,4'-bis(3-(benzo[d]oxazol-2-yl)-6-(naphthalen-1-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(3-(8-(benzofuran-2-yl)quinazolin-5-yl)-9H-carbazol-9-yl)-1,1'-biphenyl