N-phenyl-N-(4'-(12-phenylbenzo[b]naphtho[1,8-ef][1,4]diazepin-7(12H)-yl)-[1,1'-biphenyl]-4-yl)-9-(triphenylen-2-yl)-9H-carbazol-3-amine

N-phenyl-N-(4'-(12-phenylbenzo[b]naphtho[1,8-ef][1,4]diazepin-7(12H)-yl)-[1,1'-biphenyl]-4-yl)-9-(triphenylen-2-yl)-9H-carbazol-1-amine

N4,N4'-bis(4-([1,2,4]triazolo[1,5-a]pyridin-2-yl)phenyl)-N4,N4'-bis(4-fluorophenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4H-cyclopenta[def]phenanthren-8-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-fluorophenyl)-N4,N4'-bis(4-(imidazo[1,2-a]pyridin-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-hexyl-3,5-dimethylphenyl)-N4,N4'-bis(4-hexylphenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-fluorophenyl)-N4,N4'-bis(4-(indolizin-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-fluorophenyl)-N4,N4'-bis(4-(quinolin-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-ethylphenyl)-N4,N4'-bis(4-methoxyphenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(dibenzo[b,d]furan-4-yl)-N4,N4'-bis(4-(1,3,3-trimethyl-2,3-dihydro-1H-inden-1-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-((E)-3-(9H-fluoren-9-ylidene)prop-1-en-1-yl)phenyl)-N4,N4'-bis(4-chlorophenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(dibenzo[b,d]furan-4-yl)-N4,N4'-di(naphthalen-1-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-butyl-2,6-dimethylphenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-butylphenyl)-N4,N4'-bis(4-(4-(vinyloxy)butyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(3-methyl-4-vinylphenyl)-N4,N4'-bis(4-vinylphenyl)-[1,1'-biphenyl]-4,4'-diamine

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

N,N-diphenyl-4'-(12-phenyl-10-(triphenylen-2-yl)-7H-benzofuro[2,3-b]carbazol-7-yl)-[1,1'-biphenyl]-4-amine

N,N-diphenyl-4'-(4H-quinoxalino[2',3':2,3]indeno[7,1-ab]carbazol-4-yl)-[1,1'-biphenyl]-4-amine

N,N-diphenyl-4'-(3-phenyl-1H-phenaleno[4,3,2,1-cdef]carbazol-1-yl)-[1,1'-biphenyl]-4-amine