Synonyms: | 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride;pyromelliticacidanhydride;pyromelliticaciddianhydride;Pyromelliticanhydride;BENZENE-1,2,4,5-TETRACARBOXYLIC DIANHYDRIDE;BENZENE-1,2,4,5-TETRACARBOXYLIC 1,2,4,5-DIANHYDRIDE |