4,4',4'',4'''-(pyrene-1,3,6,8-tetrayl)tetrakis(2-methylbenzoic acid)
4,4',4'',4'''-(pyrene-1,3,6,8-tetrayl)tetrakis(2-nitrobenzoic acid)
2,2',2'',2'''-((ethene-1,1,2,2-tetrayltetrakis(benzene-4,1-diyl))tetrakis(oxy))tetraacetic acid
4,4',4'',4'''-(pyrene-1,3,6,8-tetrayl)tetrakis(2-hydroxybenzoic acid)
4,4',4",4"'-(pyrene-1,3,6,8-tetrayl)tetrakis(2-aminobenzoic acid)
[1,1'-Biphenyl]-4-carboxylic acid, 4',4''',4''''',4'''''''-(1,2-ethenediylidene)tetrakis[3-fluoro-