3',4',5',6'-tetrakis(3,5-dicarboxyphenyl)-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid

3',4',5',6'-tetrakis(3,5-dicarboxyphenyl)-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid · CAS 2219313-57-0