N4,N4'-bis(4-(4-methylpyridin-2-yl)naphthalen-1-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(4-phenylbutyl)phenyl)-N4,N4'-bis(4-((E)-styryl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(6-aminohexyl)naphthalen-1-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-diphenyl-N4,N4'-bis(4-(p-tolyl)naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-(3-methylimidazo[1,2-a]pyridin-2-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4-bis(4-(3,3-dimethyl-5-phenyl-3H-pyrrol-2-yl)phenyl)-N4',N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(3,5-diphenyl-1H-pyrazol-1-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-(benzo[d]thiazol-2-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(3,3-dimethyl-2-phenyl-3H-pyrrol-5-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(2-methylquinolin-8-yl)naphthalen-2-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-(benzo[d]oxazol-2-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

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

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

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

N4,N4'-bis(4-(2,2-dimethyl-3-phenyl-2H-pyrrol-5-yl)phenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(2,3,4,5,6-pentamethylphenyl)naphthalen-1-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(10H-phenoxazin-10-yl)naphthalen-2-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine