[14'-[bis(3',5'-diformyl[1,1'-biphenyl]-4-yl)amino]-,1'-Biphenyl]-3,5-dicarboxaldehyde
Hexa(4-formylphenyl)benzene
4,4',4'',4''',4'''',4'''''-(9,10-dihydro-9,10-[1,2]benzenoanthracene-2,3,6,7,14,15-hexayl)hexabenzaldehyde
4,4',4'',4''',4'''',4'''''-(triphenylene-2,3,6,7,10,11-hexayl)hexabenzaldehyde