CAS-nr:4415-87-6 MF:C8H4O6 MW:196.11 EINECS-nr:224-577-5 Synonym:3a,3b,6a,6b-tetrahydrocyklobuta[l,2-c:3,4-c']difuran-l,3,4,6-tetron; 4,9-dioxatricyklo[5.3.0.02,6]dekan-3,5,8,10-tetron; Cyklobutan 1,2,3,4-tetrakarboxylsyra 1,2:3,4-dianhydrid; Cyklobutan-1,2,3,4-tetrakarboxylsyradianhydrid, 98%; Cyklobutan-1,2,3,4-tetrakarboxylsyradianhydrid; Cyklobutan-1,2,3,4-tetrakarboxylsyradianhydrid (CBDA); Cyklobutan-1,2,3,4-tetrakarboxylsyra