4'-(4-carboxyphenyl)-[2,2':6',2"-terpyridine]-5,5"-dicarboxylic acid
[1,1':3',1''-terphenyl]-4, 4''-dicarboxylic acid,5'-(4-carboxyphenyl)-2'-methyl-
2'-amino-5'-(4-carboxyphenyl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid
5'-(4-Carboxyphenyl)-2'-methoxy[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid