• CAS:684216-81-7

  4,​4',​4'',​4''',​4'''',​4'''''-​(1,​2,​3,​4,​5,​6-​benzenehexaylhexa-​2,​1-​ethynediyl)​hexakis-Benzoic acid

• CAS:1119196-00-7

  [1,​1':4',​1''-​Terphenyl]​-​3,​3'',​5,​5''-​tetracarboxylic acid, 2',​3',​5',​6'-​tetrafluoro-

• CAS:1816997-25-7

  5',5'''-Bis(4-carboxyphenyl)-[1,1':3',1'':4'',1''':3''',1''''-quinquephenyl]-4,4''''- dicarboxylic acid

• CAS:1604813-79-7

  2'-​hydroxy-[1,​1':4',​1''-​Terphenyl]​-​4,​4''-​dicarboxylic acid

• CAS:2022152-71-0

  5-​[4'-​(pyridin-​4-​yl)​phenyl]​isophthalic acid

• CAS:43015-44-7

  3,6-dimethyl-2,5-Pyrazinedicarboxylic acid

• CAS:1632402-15-3

  4,4',4'',4'''-(methanetetrayltetra-4,1-phenylene)tetrakis-Phosphonic acid

• CAS:100973-03-3

  2,5-dipropoxy-1,4-benzenedicarboxylic acid

• CAS:1215861-81-6

  2-Ethynylterephthalic acid

• CAS:1381886-63-0

  [1,​1'-​Biphenyl]​-​4,​4'-​dicarboxamide, N4,​N4'-​di-​4-​pyridinyl-