4,4'-bis(2-(benzo[d]thiazol-2-yl)-10H-phenothiazin-10-yl)-1,1'-biphenyl

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

4,4'-bis(2-(benzofuran-4-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(6-(benzo[b]thiophen-3-yl)pyridin-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(2-(3-(4-(tert-butyl)phenyl)benzofuran-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(1-fluoro-8-(furo[3,2-b]pyridin-2-yl)-9H-carbazol-9-yl)-1,1'-biphenyl

4,4'-bis(10-(4-(4-vinylphenoxy)butyl)phenazin-5(10H)-yl)-1,1'-biphenyl

4,4'-bis(2-(pyridin-4-yl)-4H-benzo[def]carbazol-4-yl)-1,1'-biphenyl

3,3'-(([1,1'-biphenyl]-4,4'-diylbis((4-(thiophen-2-yl)phenyl)azanediyl))bis(4,1-phenylene))dipropanoic acid

8,8'-(([1,1'-biphenyl]-4,4'-diylbis((4-(6-hydroxyhexyl)phenyl)azanediyl))bis(4,1-phenylene))bis(octan-1-ol)

4,4'-([1,1'-biphenyl]-4,4'-diylbis((4-formylphenyl)azanediyl))bis(2-methylbenzaldehyde)

4,4'-((([1,1'-biphenyl]-4,4'-diylbis(phenylazanediyl))bis(4,1-phenylene))bis(oxy))diphenol

4,4'-([1,1'-biphenyl]-4,4'-diylbis((4-isopropylphenyl)azanediyl))diphenol

2,2'-(([1,1'-biphenyl]-4,4'-diylbis((9,9-dimethyl-9H-fluoren-2-yl)azanediyl))bis(4,1-phenylene))diethanol

(([1,1'-biphenyl]-4,4'-diylbis((9-phenyl-9H-carbazol-3-yl)azanediyl))bis(4,1-phenylene))dimethanol

3,3'-(([1,1'-biphenyl]-4,4'-diylbis(p-tolylazanediyl))bis(4,1-phenylene))dipropanoic acid

N4-(9,9-dimethyl-9H-fluoren-3-yl)-N4'-(naphthalen-2-yl)-N4-phenyl-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

N4-(4-(7bH-indeno[1,2,3-jk]fluoren-7b-yl)phenyl)-N4'-(9,9-dimethyl-9H-fluoren-4-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4-([1,1':4',1''-terphenyl]-3-yl)-N4'-(9,9-dimethyl-9H-fluoren-4-yl)-N4-phenyl-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine

N4-([1,1':4',1''-terphenyl]-3-yl)-N4'-(9,9-dimethyl-9H-fluoren-3-yl)-N4-phenyl-N4'-(9-phenyl-9H-carbazol-3-yl)-[1,1'-biphenyl]-4,4'-diamine