7-(4'-(11-(dimethylamino)-7H-benzo[kl]acridin-7-yl)-[1,1'-biphenyl]-4-yl)-N-(naphthalen-1-yl)-N-phenyl-7H-benzo[kl]acridin-9-amine

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-7-(2,3-dihydro-1H-inden-4-yl)-5,7-dihydrobenzo[b]indolo[3,2-h]carbazole

5-(4'-(diphenylamino)-[1,1'-biphenyl]-4-yl)-12,12-dimethyl-N,N-diphenyl-5,12-dihydroindeno[1,2-c]carbazol-2-amine

5-(4'-(3,6-diphenyl-9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-14,14-diphenyl-5,14-dihydronaphtho[2,3-b]acridine

5-(4'-(7H-indeno[6,7,1-mna]acridin-7-yl)-[1,1'-biphenyl]-4-yl)-5H-indeno[1,7,6-jkl]naphtho[2,3-a]acridine

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-12b-methyl-5,12b-dihydroindeno[1,2,3-kl]acridine

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-5H-benzo[5,6][1,4]dioxino[2,3-b]carbazole

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-2-phenyl-5H-thiazolo[5,4-b]carbazole

4,4'-bis(5H-dibenzo[b,f]azepin-5-yl)-1,1'-biphenyl

2-((E)-5-(4-((4-((Z)-(3-(carboxymethyl)-4-oxo-2-thioxothiazolidin-5-ylidene)methyl)phenyl)(4'-(di-p-tolylamino)-[1,1'-biphenyl]-4-yl)amino)benzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetic acid

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-9-(dibenzo[b,d]thiophen-2-yl)-13c-methyl-9,13c-dihydro-5H-indolo[3',2':4,5]cyclopenta[1,2,3-kl]acridine

5'-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-10,10,13c'-trimethyl-5',13c'-dihydro-10H-spiro[anthracene-9,9'-benzo[4,5]pentaleno[1,2,3-kl]acridine]

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-13c-methyl-9-(naphthalen-1-yl)-9,13c-dihydro-5H-indolo[3',2':4,5]cyclopenta[1,2,3-kl]acridine

12-phenyl-5-(4'-(12-phenyl-12,12a-dihydroindolo[2,3-a]carbazol-11(1H)-yl)-[1,1'-biphenyl]-4-yl)-5,12-dihydroindolo[3,2-a]carbazole

5-(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-8-([1,1':3',1''-terphenyl]-2'-yl)-5,8-dihydroindolo[2,3-c]carbazole

N-([1,1'-biphenyl]-4-yl)-4-(benzo[b]thiophen-2-yl)-N-(4'-(3-(benzo[b]thiophen-2-yl)-9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)naphthalen-1-amine

N,N-di([1,1'-biphenyl]-4-yl)-4'-(15H-benzo[h]fluoreno[1,9-ab]carbazol-15-yl)-[1,1'-biphenyl]-4-amine

4,4'-bis(10,11-dihydro-5H-dibenzo[b,f]azepin-5-yl)-1,1'-biphenyl

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

N,N-bis(4'-(9H-carbazol-9-yl)-[1,1'-biphenyl]-4-yl)-4,4''-di(prop-1-en-2-yl)-[1,1':3',1''-terphenyl]-5'-amine