4,4'-bis(10'-phenyl-10H,10'H-9,9'-spirobi[acridin]-10-yl)-1,1'-biphenyl

N4,N4,N4'-tri([1,1'-biphenyl]-4-yl)-N4'-(9-phenyl-9H-carbazol-2-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4,N4'-tri([1,1'-biphenyl]-3-yl)-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

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

N4-phenyl-N4,N4',N4'-tri-m-tolyl-[1,1'-biphenyl]-4,4'-diamine

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

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-10-(5'-phenyl-[1,1':3',1''-terphenyl]-4'-yl)-5,10-dihydrodibenzo[b,e][1,4]azaborinine

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-10-mesityl-5,10-dihydrodibenzo[b,e][1,4]azaborinine

N-(4'-(15H-15-azadibenzo[3,4:5,6]azuleno[7,8,1-mna]phenanthren-15-yl)-[1,1'-biphenyl]-4-yl)-9,9-dimethyl-N-phenyl-9H-fluoren-2-amine

2,2'-((([1,1'-biphenyl]-4,4'-diylbis((4-methoxyphenyl)azanediyl))bis(4,1-phenylene))bis(methanylylidene))dimalononitrile

4',4'''-(indolo[3,2-b]carbazole-5,11-diyl)bis(N-(3,4-dimethylphenyl)-N-phenyl-[1,1'-biphenyl]-4-amine)

4',4'''-(indolo[2,3-b]carbazole-5,7-diyl)bis(N,N-diphenyl-[1,1'-biphenyl]-4-amine)

N2,N2'-([1,1'-biphenyl]-4,4'-diyl)bis(N2,N6,N6-triphenylnaphthalene-2,6-diamine)

N4,N4'-bis(4-bromophenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

4,4'-bis(9,9-dimethylacridin-10(9H)-yl)-1,1'-biphenyl

(2E,2'E)-3,3'-(([1,1'-biphenyl]-4,4'-diylbis((4-((1E,3E)-4-phenylbuta-1,3-dien-1-yl)phenyl)azanediyl))bis(4,1-phenylene))bis(2-cyanoacrylic acid)

4,4'-bis(2-methylacridin-10(9H)-yl)-1,1'-biphenyl