N-(4'-(4H-naphtho[1',8':5,6,7][1,4]diazepino[3,2,1-jk]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-9-(dibenzo[b,d]furan-1-yl)-N-(naphthalen-1-yl)-9H-carbazol-2-amine

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

8-(4'-(12H-benzo[c]thieno[2,3-a]carbazol-12-yl)-[1,1'-biphenyl]-4-yl)-8H-dibenzo[c,g]thieno[2,3-a]carbazole

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

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

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

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-12-(9-(naphthalen-2-yl)-9H-carbazol-1-yl)-7,12-dihydrobenzo[b]naphtho[1,8-ef][1,4]diazepine

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-12-(spiro[fluorene-9,9'-thioxanthen]-1-yl)-7,12-dihydrobenzo[b]naphtho[1,8-ef][1,4]diazepine

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

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

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

6-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-8-phenyl-6,8-dihydro-6,8-diazabenzo[6,7]naphtho[2',1',8':3,4,5]azuleno[1,8-bc]fluorene

2,2'-((3E,3'''E)-3,3'''-bis(phenylimino)-2,2''',3,3'''-tetrahydro-[1,1':4',1'':4'',1'''-quaterphenyl]-4,4'''-diyl)bis(ethene-1,1,2-tricarbonitrile)

dimethyl 2,2'-((([1,1'-biphenyl]-4,4'-diylbis(naphthalen-1-ylazanediyl))bis(4,1-phenylene))bis(oxy))diacetate