CAS No.:4415-87-6 MF:C8H4O6 MW:196.11 EINECS Oya.:224-577-5 Synonym:3a, 3b, 6a, 6b-Tetrahydrocyclobuta [1,2-c: 3,4-c '] difuran-1,3,4,6-tetrone;4,9-Dioxatricyclo [5.3.0.02,6] decane-3,5,8,10-tetrone;Cyclobutane 1,2,3,4-tetracarboxylic aside 1,2: 3,4-dianhydride;Cyclobutane-1,2,3,4-tetracarboxylic dianhydride, 98%;Cyclobutane-1,2,3,4-tetracarboxylic aside dianhydride;Cyclobutane-1,2,3,4-tetracarboxylic aside dianhydride (CBDA);Cyclobutane-1,2,3,4-tetracarboxylic