URUBANZA:89-32-7 MF:C10H2O6 MW:218.12 EINECS Oya:201-898-9 Synonyme:1,2,4,5-Benzenetetracarboxylic1,2: 4,5-dianhydride; 1,2,4,5benzenetetracarboxylic1,2: 4,5dianhydride; 1,2,4,5-benzenetetracarboxylic1,2: 4,5-dianhydride; 1,2,4,5-Benzenetetracrboxylicdianhydride; pyromelliticacidanhydride; pyromelliticaciddianhydride; Pyromelliticanhydride; 1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE