1,2-Benzenedicarboxylic acid, 4,4′-oxybis-
Phthalic acid, 4,4′-oxydi-
4,4′-Oxybis[1,2-benzenedicarboxylic acid]
4,4′-Oxydiphthalic acid
3,3′,4,4′-Tetracarboxydiphenyl oxide
Bis(3,4-dicarboxyphenyl) ether
4,4′-Oxybisphthalic acid
3,3′,4,4′-Oxydiphthalic acid
3,3′,4,4′-Diphenyl ether tetracarboxylic acid