• CAS:

  5,5'-(1,3,4-oxadiazole-2,5-diyl)diisophthalic acid

• CAS:2266564-54-7

  [9,9'-bicarbazole]-3,3',6,6'-tetracarboxylic acid

• CAS:2097131-99-0

  4-​[1,​6,​8-​tris(4-​carboxyphenyl)​-​9H-​carbazol-​3-​yl]​-Benzoic acid

• CAS:100884-80-8

  1,3,5,7-Adamantanetetracarboxylic Acid

• CAS:1886010-85-0

  4,4',4'',4'''-[(1,4,8,11-tetraazacyclotetradecane-1,4,8,11-tetrayl)tetrakis(methylene)]tetrakis-Benzoic acid

• CAS:1025726-44-6

  5,5'-(ethene-1,2-diyl)diisophthalic acid

• CAS:2170398-07-7

  1H-Pyrazole-3,5-dicarboxylic acid, 1-[(3,5-dicarboxyphenyl)methyl]-

• CAS:10397-52-1

  5-[(3,5-dicarboxyphenyl)methyl]benzene-1,3-dicarboxylic acid

• CAS:1774401-34-1

  5,5'-(ethane-1,2-diyl)diisophthalic acid

• CAS:365549-33-3

  3,3',5,5'-Azobenzenetetracarboxylic acid