4′,4′′′,4′′′′′,4′′′′′′′-(1,4-Phenylenedinitrilo)tetrakis [[1,1′-biphenyl]-4-carboxylic acid]
3',4'-Bis(4-carboxyphenyl)-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid
4',5'-bis(4-carboxyphenyl)-3',6'-dihydroxy-[1,1':2',1''-terphenyl]-4,4''-dicarboxylic acid
4,4',4'',4'''-(1,4-Phenylenebis(1H-imidazole-2,4,5-triyl))tetrabenzoic acid
4,4',4'',4'''-(Pyrrolo[3,2-b]pyrrole-1,2,4,5-tetrayl)tetrabenzoic acid
4,4',4'',4'''-(1,9-dihydropyrene-1,3,6,8-tetrayl)tetrakis(3-methylbenzoic acid)
3,3′,3′′,3′′′-(1,3,6,8-Pyrenetetrayl)tetrakis [benzoic acid]