[1,1':4',1'':2'',1''':4''',1''''-Quinquephenyl]-3,3'''',5,5''''-tetracarboxylic acid, 4'',5''-bis(3',5'-dicarboxy[1,1'-biphenyl]-4-yl)-
[1,1':4',1'':2'',1''':4''',1''''-Quinquephenyl]-3,3'''',5,5''''-tetracarboxylic acid, 4'',5''-bis(3',5'-dicarboxy[1,1'-biphenyl]-4-yl)-