CAS:89-32-7 : kuv MF:C10H2O6 MW:218.12 Nws EINECS No:201-898-9 Synonyms:1,2,4,5-Benzenetetracarboxylic1,2:4,5-dianhydride; 1,2,4,5 benzenetetracarboxylic1,2:4,5 dianhydride; 1,2,4,5-benzenetracarboxylic1,2:4,5-dianhydride; 1,2,4,5-Benzeneetracrboxylicdianhydride; pyromelliticacidanhydride; pyromelliticaciddianhydride; Pyromelliticanhydride; 1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE