CAS:89-32-7 MF:C10H2O6 MW:218.12 EINECS Maya:201-898-9 La mid ah:1,2,4,5-Benzenetetracarboxylic1,2:4,5-diahydride;1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride;1,2,4,5-benzenetetracarboxylic1,2:4,5-diahydride;1,2,4,5-Benzenetetracrboxylicdianhydride;pyromelliticacidhydride;pyromelliticiddianhydride;Pyromelliticanhydride;1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE