CAS No.:4415-87-6 MF:C8H4O6 MW:196.11 EINECS No.: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; Acidum cyclobutanum 1,2,3,4-tetracarboxylicum 1,2:3,4-dianhydride; cyclobutaneum 1,2,3,4-tetracarboxylicum dianhydride ,98%; Acidum dianhydride cyclobutanum 1,2,3,4-tetracarboxylicum; Acidum cyclobutum 1,2,3,4-tetracarboxylicum dianhydride (CBDA); Cyclobutane-1,2,3,4-tetracarboxylic