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-2-yl)-N-phenyl-9H-carbazol-1-amine

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]thiophen-4-yl)-N-phenyl-9H-carbazol-3-amine

9-(naphthalen-1-yl)-N-phenyl-N-(4'-(10-phenyl-10,12-dihydrobenzo[b]naphtho[1,8-ef][1,4]diazepin-3-yl)-[1,1'-biphenyl]-4-yl)-9H-carbazol-1-amine

9-(4'-(1-(4H-[3,6'-bifuro[2,3-e][1,2,3,4]tetrazin]-6-yl)-9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-9H-carbazole-2,7-dicarbonitrile

8-(4'-(5H-benzofuro[3,2-c]carbazol-5-yl)-[1,1'-biphenyl]-4-yl)-8H-benzo[5,6][1,4]dioxino[2,3-c]carbazole

8-(4'-(7H-benzo[g]thieno[2,3-b]carbazol-7-yl)-[1,1'-biphenyl]-4-yl)-8H-dibenzo[a,g]thieno[2,3-c]carbazole

8-(4'-(5H-thieno[3,2-b]carbazol-5-yl)-[1,1'-biphenyl]-4-yl)-8H-benzo[a]thieno[3,2-c]carbazole

9-(dibenzo[b,d]furan-1-yl)-N-phenyl-N-(4'-(12-phenylbenzo[b]naphtho[1,8-ef][1,4]diazepin-7(12H)-yl)-[1,1'-biphenyl]-4-yl)-9H-carbazol-3-amine

7-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-9-phenyl-7,9-dihydrobenzo[4,5]quinolino[2,3-b]phenothiazine 14-oxide

N-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-7-([1,1'-biphenyl]-4-yl)-N-(4-(quinolin-4-yl)phenyl)-2,3-dihydro-1H-inden-4-amine

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-4-amine

N4-(4-(4-bromobutoxy)phenyl)-N4'-phenyl-N4,N4'-di-m-tolyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(tert-butyl)phenyl)-N4-(4-(dibenzo[b,d]furan-3-yl)phenyl)-N4'-(9,9-dimethyl-9H-fluoren-3-yl)-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(dibenzo[b,d]furan-4-yl)phenyl)-N4',N4'-diphenyl-N4-(4-(5-phenylthiophen-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(dibenzo[b,d]furan-2-yl)phenyl)-N4'-(dibenzo[b,d]thiophen-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(2,5-dimethylphenyl)naphthalen-2-yl)-N4,N4'-diphenyl-N4'-(4-phenylnaphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

N4-([1,1':3',1''-terphenyl]-5'-yl)-N4'-(4-(dibenzo[b,d]thiophen-2-yl)phenyl)-N4'-phenyl-N4-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(naphthalen-2-yl)phenyl)-N4',N4'-diphenyl-N4-(4-(5-phenyl-1,3,4-oxadiazol-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(dibenzo[b,d]furan-2-yl)phenyl)-N4',N4'-diphenyl-N4-(4-(triphenylen-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(benzo[d]oxazol-2-yl)phenyl)-N4'-(4-(oxazolo[5,4-b]pyridin-2-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine