• CAS:1174223-25-6

  Benzo[1,2-b:3,4-b':5,6-b'']trithiophene-2,5,8-tricarboxylic acid

• CAS:2329408-06-0

  4,4',4''-(1H-imidazole-2,4,5-triyl)tribenzoic acid

• CAS:881735-82-6

  4,4',4''-(1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8-triyl)tris-Benzoic acid

• CAS:1627605-99-5

  9H-Carbazole-3,6-dicarboxylic acid, 9-(4-carboxyphenyl)-

• CAS:2292116-92-6

  4,​4',​4''-​(9H-​Carbazole-​3,​6,​9-​triyl)​tris[benzoic acid]

• CAS:7717-74-0

  4-(4-carboxy-phenoxy)-phthalic acid

• CAS:1361345-85-8

  5-(2'-carboxylphenoxy)isophthalic acid

• CAS:1050912-62-3

  5-((4-carboxybenzyl)oxy)isophthalic acid

• CAS:914919-19-0

  4,4'-((5-carboxy-1,3-phenylene)bis(oxy))dibenzoic acid

• CAS:2378391-11-6

  4-[2,6-bis(4-carboxyphenyl)-4-pyrimidinyl]-Benzoic acid