• CAS:341556-86-3

  2-​Propenoic acid, 3,​3'-​(9,​10-​anthracenediyl)​bis-​, (2E,​2'E)​- (9CI)

• CAS:861406-83-9

  [3,3'-Bipyridine]-6,6'-dicarboxylicacid

• CAS:18646-81-6

  thieno[3,2-b]thiophene-2,4-dicarboxylic acid

• CAS:1155-51-7

  Benzoic acid,4,4'-dithiobis-

• CAS:1190438-53-9

  Benzoic acid, 4,​4'-​[(2,​5-​dimethoxy-​1,​4-​phenylene)​di-​2,​1-​ethynediyl]​bis-

• CAS:142168-26-1

  Benzoic acid, 4,​4'-​(10,​20-​diphenyl-​21H,​23H-​porphine-​5,​15-​diyl)​bis-

• CAS:56419-89-7

  4-(4-Carboxybenzamido)benzoic acid

• CAS:1149431-42-4

  4,4'-[(4-bromophenyl)imino]bis-Benzoic acid

• CAS:30840-02-9

  1,3,6,8-Tetrahydro-1,3,6,8-tetraoxobenzo[lmn][3,8]phenanthroline-2,7-dipropanoic acid

• CAS:1226259-70-6