3,3''-diamino-5'-(3-amino-4-carboxyphenyl)-1,1':3',1''-Terphenyl]-4,4''-dicarboxylic acid
5'-(4-carboxy-3-fluorophenyl)-3,3''-difluoro-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid
5'-(4-Carboxy-3-methoxyphenyl)-3,3''-dimethoxy-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid
1-Naphthalenecarboxylic acid, 4,4',4''-(1,3,5-benzenetriyl)tris-
5'-(4-carboxy-3-mercaptophenyl)-3,3''-dimercapto-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid