CAS:89-32-7 MF:Saukewa: C10H2O6 MW:218.12 EINECS No:201-898-9 Ma’ana:1,2,4,5-Benzenetetracarboxylic1,2:4,5-diahydride; 1,2,4,5benzenetetracarboxylic1,2:4,5dianhydride; 1,2,4,5-benzenetetracarboxylic1,2:4,5-dianhydride; 1,2,4,5-Benzenetetracrboxylicdianhydride; pyromelliticacidanhydride; pyromelliticiddianhydride; Pyromelliticanhydride; 1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE