4'',5''-Bis(4'-carboxy[1,1'-biphenyl]-4-yl)[1,1':4',1'':2'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid

4'',5''-Bis(4'-carboxy[1,1'-biphenyl]-4-yl)[1,1':4',1'':2'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid