3'',4'',5'',6''-Tetrakis(4'-carboxy[1,1'-biphenyl]-4-yl)[1,1':4',1'':2'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid

3'',4'',5'',6''-Tetrakis(4'-carboxy[1,1'-biphenyl]-4-yl)[1,1':4',1'':2'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid,

3'',4'',5'',6''-Tetrakis(4'-carboxy[1,1'-biphenyl]-4-yl)[1,1':4',1'':2'',1''':4''',1''''-quinquephenyl]-4,4''''-dicarboxylic acid,