4'-(7H-dibenzo[a,g]carbazol-7-yl)-N-phenyl-N-(4-(pyrimidin-2-yl)phenyl)-[1,1'-biphenyl]-4-amine

4'-(9H-carbazol-9-yl)-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-N-(4-vinylphenyl)-[1,1'-biphenyl]-4-amine

4'-(8,9-dihydro-4H-benzo[def]carbazol-4-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(7H-benzo[g]benzofuro[3,2-b]carbazol-7-yl)-N-(4-(naphthalen-2-yl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

4'-(8-(naphthalen-1-yl)-12-phenyl-7H-benzofuro[2,3-b]carbazol-7-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

N-(4-(dibenzo[b,d]thiophen-2-yl)phenyl)-4'-(7H-dibenzo[b,kl]acridin-7-yl)-N-phenyl-[1,1'-biphenyl]-4-amine

4'-(9-(dibenzo[b,d]furan-1-yl)-13c-methyl-9,13c-dihydro-5H-indolo[3',2':4,5]cyclopenta[1,2,3-kl]acridin-5-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(7H-benzo[b]benzofuro[2,3-g]carbazol-7-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(9-([1,1'-biphenyl]-2-yl)-13c-methyl-9,13c-dihydro-5H-indolo[3',2':4,5]cyclopenta[1,2,3-kl]acridin-5-yl)-N,N-di([1,1'-biphenyl]-4-yl)-[1,1'-biphenyl]-4-amine

4'-(7-ethyl-1-phenyl-1H-1,3,7-triazabenzo[3,4]indeno[2',1':5,6]azuleno[7,8,1-mna]cyclopenta[def]phenanthren-3(7H)-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(7H-benzo[c]carbazol-7-yl)-N-(4-(tert-butyl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

4'-(5H-benzo[4,5]thieno[3,2-c]carbazol-5-yl)-N-(4-(phenanthren-2-yl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

4'-(5H-benzo[5,6][1,4]dioxino[2,3-b]carbazol-5-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

4'-(6H-8,13-dioxa-6-azabenzo[6,7]naphtho[2',1',8':3,4,5]azuleno[8,1-ab]anthracen-6-yl)-N,N-diphenyl-[1,1'-biphenyl]-4-amine

N-(4'-(5H-dibenzo[b,f]azepin-5-yl)-[1,1'-biphenyl]-4-yl)-4'-(5H-dibenzo[b,f]azepin-5-yl)-N-(m-tolyl)-[1,1'-biphenyl]-4-amine

4'-(7,7-dimethylindeno[2,1-b]carbazol-5(7H)-yl)-N-(3-(naphthalen-2-yl)phenyl)-N-phenyl-[1,1'-biphenyl]-4-amine

N,N-di([1,1'-biphenyl]-4-yl)-4'-(5H-benzofuro[3,2-c]carbazol-5-yl)-[1,1'-biphenyl]-4-amine

N,N-diphenyl-4'-(5'-phenylspiro[fluorene-9,15'-indeno[1,2-a]indolo[3,2-c]carbazol]-10'(5'H)-yl)-[1,1'-biphenyl]-4-amine

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

N,N-diphenyl-4'-(5,15,15-triphenyl-5H-indeno[1,2-a]indolo[3,2-c]carbazol-10(15H)-yl)-[1,1'-biphenyl]-4-amine