CAS:2420-87-3 Molekylær formel:C16H6O6 Molekylvægt:294,22 EINECS:219-342-9 Synonymer:3,3',4,4'-biphenyltetracarboxylsyredianhydrid 97%; 4,4'-biphthalsyreanhydrid (oprenset ved sublimering); 3,3'4,4'-biphenyltetracarboxylsyredianhydrid(s-BPDA); S-BDPA; S-BPDA; [5,5'-biisobenzofuran]-1,1',3,3'-tetron; [5,5'-Biisobenzofuran]-1,1',3,3'-tetron; 5,5'-Biisobenzofuran-1,1',3,3'-tetron