CAS-nr.:4415-87-6 MF:C8H4O6 MW:196.11 EINECS-nr.:224-577-5 Synonym:3a,3b,6a,6b-Tetrahydrocyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetron; 4,9-dioxatricyclo[5.3.0.02,6]decan-3,5,8,10-tetron; Cyclobutan-1,2,3,4-tetracarboxylsyre 1,2:3,4-dianhydrid; Cyclobutan-1,2,3,4-tetracarboxylsyredianhydrid, 98%; Cyclobutan-1,2,3,4-tetracarboxylsyredianhydrid; Cyclobutan-1,2,3,4-tetracarboxylsyredianhydrid (CBDA); Cyclobutan-1,2,3,4-tetracarboxylsyre