N4,N4'-bis(4-((E)-2-(naphtho[1,2-d]thiazol-2-yl)vinyl)phenyl)-N4,N4'-di-m-tolyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3-methoxyphenyl)-N4,N4'-bis(4-(5-phenyl-1,3,4-oxadiazol-2-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(4-([2,4'-bipyridin]-5-yl)phenyl)-N4,N4'-di-m-tolyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3-methoxy-5-methylphenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-di-m-tolyl-N4,N4'-bis(3,4,5-trifluorophenyl)-[1,1'-biphenyl]-4,4'-diamine

N4-phenyl-N4'-(4-(phenyl(m-tolyl)amino)phenyl)-N4,N4'-di-m-tolyl-[1,1'-biphenyl]-4,4'-diamine

N1,N1'-([1,1'-biphenyl]-4,4'-diyl)bis(N1-(naphthalen-2-yl)benzene-1,4-diamine)

N4,N4'-di(naphthalen-1-yl)-N4,N4'-di-m-tolyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3-fluorophenyl)-N4-(m-tolyl)-N4'-(4-(3-(trityloxy)propoxy)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3-fluorophenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(3-ethyl-2,6-dimethylphenyl)-N4,N4'-bis(4-((E)-3-ethylstyryl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-di(naphthalen-1-yl)-N4,N4'-bis(3''-vinyl-[1,1':3',1''-terphenyl]-4-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(dibenzo[b,d]thiophen-3-yl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine

N4,N4'-bis(dibenzo[b,d]furan-3-yl)-N4,N4'-bis(dibenzo[b,e]pyrimido[4,5,6-gh]pyrrolizin-5-yl)-[1,1'-biphenyl]-4,4'-diamine

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

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

N4,N4'-bis(3-bromophenyl)-N4,N4'-bis(9,9-dimethyl-9H-fluoren-2-yl)-[1,1'-biphenyl]-4,4'-diamine

N4,N4-bis(3,5-dimethoxyphenyl)-N4'-(4-methoxyphenyl)-N4'-(2,4,6-trimethoxyphenyl)-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(3,4-dimethylphenyl)-N4,N4'-bis(4-ethylphenyl)-[1,1'-biphenyl]-4,4'-diamine