N4,N4'-di-p-tolyl-N4,N4'-bis(10-(p-tolyl)-10H-phenoxazin-3-yl)-[1,1'-biphenyl]-4,4'-diamine

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

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

N4,N4'-bis(3-phenylnaphthalen-2-yl)-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-octylphenyl)-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-(imidazo[1,2-b]pyridazin-6-yl)phenyl)-N4,N4'-di(naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-methoxy-2-methylphenyl)-N4,N4'-bis(4-((E)-styryl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-methoxy-2-methylphenyl)-N4,N4'-bis(4-((Z)-styryl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-methoxyphenyl)-N4,N4'-bis(4-(quinolin-6-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4-bis(4-methoxyphenyl)-N4',N4'-bis(4-(pyridin-4-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

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

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

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

N4,N4'-bis(6-phenylnaphthalen-2-yl)-N4,N4'-di-o-tolyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3,4-dimethylphenyl)-N4,N4'-bis(3-ethyl-4-((1,1,3,3,3-pentamethyldisiloxanyl)oxy)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3,4-dimethylphenyl)-N4,N4'-bis(3-(2,2,2-trifluoroethoxy)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3',5'-dimethyl-[1,1'-biphenyl]-4-yl)-N4,N4'-di(naphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(2-fluorophenyl)-N4,N4'-bis(7-phenylnaphthalen-2-yl)-[1,1'-biphenyl]-4,4'-diamine