N4,N4-bis(4-(benzo[b]thiophen-6-yl)phenyl)-N4'-(naphthalen-1-yl)-N4'-phenyl-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-methoxyphenyl)-N4,N4'-bis(3-(trifluoromethyl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

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

N4,N4'-bis(4-methoxyphenyl)-N4,N4'-bis(4-(quinolin-7-yl)phenyl)-[1,1'-biphenyl]-4,4'-diamine

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

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

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