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

4',5'-bis(3,5-dicarboxyphenyl)-3',6'-dimethyl-[1,1':2',1''-terphenyl]-3,3'',5,5''-tetracarboxylic acid · CAS 2387901-77-9