4-methyl-N-p-tolyl-N-[4-[5-[6-[3-(trifluoromethyl)phenyl]-2,2'-bipyridin-4-yl]thiophen-2-yl]phenyl]aniline

4-[5-[6-(3-methoxyphenyl)-2,2'-bipyridin-4-yl]thiophen-2-yl]-N,N-di-p-tolylaniline

4-methyl-N-(4-(5-(6-phenyl-2,2'-bipyridin-4-yl)thiophen-2-yl)phenyl)-N-p-tolylaniline

N4-(4'-(di-p-tolylamino)-[1,1'-biphenyl]-4-yl)-N4'-(4'-((4-(2-ethoxyethoxy)phenethyl)dimethylgermyl)-[1,1'-biphenyl]-4-yl)-N4,N4'-di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine

5-{7-{4-[N,N-bis(4-methylphenyl)amino]phenyl}-fluorenone-2-yl}thiophene-2-carbaldehyde