4,4',4'',4'''-(Pyrene-1,3,6,8-tetrayl)tetrabenzaldehyde
4,4',4'',4'''-((Benzene-1,2,4,5-tetrayltetrakis(methylene))tetrakis(oxy))tetrabenzaldehyde
3,3',3'',3'''-(Pyrene-1,3,6,8-tetrayl)tetrabenzaldehyde
4,4',4'',4'''-([2,2'-Bi(1,3-dithiolylidene)]-4,4',5,5'-tetrayl)tetrabenzaldehyde
4,4',4'',4'''-(Ethene-1,1,2,2-tetrayl)tetrabenzaldehyde
4,4',4'',4'''-(6,7,9,10,17,18,20,21-Octahydrodibenzo[b,k][1,4,7,10,13,16]hexaoxacyclooctadecine-2,3,13,14-tetrayl)tetrabenzaldehyde
4,4',4'',4'''-(1,4-Phenylenebis(azanetriyl))tetrabenzaldehyde
