4,4',4",4'"-(thieno[3,2-b]thiophene-2,3,5,6-tetrayl)tetrabenzoic acid
1,3-Benzenedicarboxylic acid, 5,5'-(1,3- butadiyne-1,4-diyl)bis-
5'-((3,5-dicarboxyphenyl)ethynyl)-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid
5',5''''-(1,4-phenylenebis(ethyne-2,1-diyl))bis(([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid))
4,4',4'',4'''-([1,1'-biphenyl]-3,3',5,5'-tetrayltetrakis(ethyne-2,1-diyl))tetrabenzoic acid
4,4',4'',4'''-(dibenzo[g,p]chrysene-2,7,10,15-tetrayl)tetrabenzoic acid
5',5''''-(buta-1,3-diyne-1,4-diyl)bis(([1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid))
4'-[(1E)-2-(3',5'-dicarboxy[1,1'-biphenyl]-4-yl)diazenyl]-[1,1'-Biphenyl]-3,5-dicarboxylic acid