CAS:89-32-7 MF:C10H2O6 MW:218.12 EINECS No:201-898-9 Synonyme:1,2,4,5-Benzentetracarboxyl-1,2:4,5-Dianhydrid; 1,2,4,5-benzentetracarboxyl-1,2:4,5-Dianhydrid; 1,2,4,5-benzentetracarboxyl-1,2:4,5-Dianhydrid; 1,2,4,5-Benzenetetracrboxyldianhydrid; Pyromelliticacidanhydrid; pyromelliticaciddianhydride; Pyromelliticanhydrid; 1,2,4,5-BENZENETETRACARBOXYLICANHYDRIDE