7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-12-(dibenzo[b,d]thiophen-3-yl)-7,12-dihydrobenzo[b]naphtho[1,8-ef][1,4]diazepine

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-12-(9-(dibenzo[b,d]furan-4-yl)-9H-carbazol-1-yl)-7,12-dihydrobenzo[b]naphtho[1,8-ef][1,4]diazepine

9-(4-((4'-((9,9-dimethyl-10-phenyl-9,10-dihydroacridin-1-yl)(phenyl)amino)-[1,1'-biphenyl]-4-yl)(phenyl)amino)phenyl)-9H-carbazole-3,6-dicarbonitrile

7-(4'-(9-(dimethylamino)-7H-benzo[kl]acridin-7-yl)-[1,1'-biphenyl]-4-yl)-N-(naphthalen-1-yl)-N-phenyl-7H-benzo[kl]acridin-9-amine

4,4'-bis(14,14-dimethylbenzo[4,5]indeno[1,2-b]carbazol-8(14H)-yl)-1,1'-biphenyl

4,4'-bis(5,5,9,9-tetramethyl-5H-diindeno[2,1-b:1',2'-h]carbazol-7(9H)-yl)-1,1'-biphenyl

6-(4'-(7H-benzo[g]thieno[2,3-b]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-6H-benzo[c]thieno[3,2-g]carbazole

7-(4'-(11H-benzo[a]carbazol-11-yl)-[1,1'-biphenyl]-4-yl)-7H-benzo[c]carbazole-5,10-dicarbonitrile

4,4'-bis(7H-pyrido[3,4-c]carbazol-7-yl)-1,1'-biphenyl

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-5,5,9,9-tetramethyl-7,9-dihydro-5H-diindeno[2,1-b:1',2'-h]carbazole

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-1,2,3,7-tetrahydro-3,11b-methanobenzo[kl]acridine

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-7H-naphtho[1,2-c]carbazole

4'-((4aZ,17aZ)-17H-dibenzo[2,3:5,6][1,4]diazocino[7,8,1-jk]carbazol-17-yl)-N,N-di-p-tolyl-[1,1'-biphenyl]-4-amine

4'-(1H-dibenzo[3,4:5,6]azuleno[1,8,7-hij]isoquinolin-1-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

4'-(1-([3,6'-bifuro[2,3-b]pyridin]-2-yl)-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(14,14-diphenylbenzo[a]indeno[1,2-c]carbazol-5(14H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

tetraethyl 2,2',2'',2'''-([1,1'-biphenyl]-4,4'-diylbis(azanetriyl))tetrabenzoate

4'-(3-bromo-9H-carbazol-9-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4,4'-bis(6H-thieno[2,3-c]carbazol-6-yl)-1,1'-biphenyl

4'-(15,15-dimethyl-6,15-dihydrobenzo[4,5]thieno[3,2-h]indeno[2,1-a]carbazol-14-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine