1,4-Di(3-carboxyphenyl)benzene

1,3-Di(3-carboxyphenyl)benzene

1,3,5-Tri(3-carboxyphenyl)benzene

3-(2-Oxoindolin-5-yl)benzoic acid

9,10-Bis(3-carboxyphenyl)anthracene

1,4-Di-(3-carboxyphenyl)-naphthalene