2'-hydroxy-[1,1':4',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid
1,2,4,5-tetrakis [4 - (3',5'-dicarboxy-1,1'-biphenyl)] - 3,6 dimethylbenzene
5-[4-[2-(3,5-dicarboxyphenyl)ethynyl]-1-naphthalenyl]-1,3-Benzenedicarboxylic acid
Benzo[lmn][3,8]phenanthroline-1,3,6,8(2H,7H)-tetrone, 2,7-bis(2H-tetrazol-5-yl)-
Benzoic acid, 4,4'-[(9,9-dioctyl-9H-fluorene-2,7-diyl)di-2,1-ethynediyl]bis-