• CAS:1620959-59-2

  4,4',4'',4'''-(6,7,9,10,17,18,20,21-octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecin-2,3,13,14-tetrayl)tetrakis-Benzoic acid

• CAS:156750-08-2

  5-((3,5-dicarboxybenzyl)oxy)isophthalic acid

• CAS:147566-76-5

  5,5'-(1,3-phenylenebis(methylene))bis(oxy)diisophthalic acid

• CAS:1426343-47-6

  1,3-Benzenedicarboxylic acid, 5,5'-(2,6-pyridinediyl)bis-, 5,5'-(2,6-Pyridinediyl)bis[1,3-benzenedicarboxylic acid]

• CAS:2095221-49-9

  5-​amino-​3,​3,​5,​5-​tetracarboxylic acid

• CAS:2237228-68-9

  N,N'-bis(3,5-dicarboxyphenyl)ethylenediimine

• CAS:1616577-91-3

  1H-​Imidazolium, 1,​3-​bis(3,​5-​dicarboxyphenyl)​-​, chloride (1:1)

• CAS:1459128-78-9

  2',5'-dimethoxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid

• CAS:64346-00-5

  5,​5'-​Sulfonylbis[1,​3-​benzenedicarboxylicacid]

• CAS:2216715-50-1

  4,4',4'',4'''-Pyrazino[2,3-g]quinoxaline-2,3,7,8-tetrayltetrakis[benzoic acid], 4,4',4'',4'''-pyrazino[2,3-g]quinoxaline-2,3,7,8-tetrayltetrakis-Benzoic acid