CAS:2420-87-3 Ụdị molekụla:C16H6O6 Arọ Molecular:294.22 EINECS:219-342-9 Ụdị okwu:3,3',4,4,4'-Biphenyltetracarboxylic dianhydride 97%; 4,4'-Biphthalic Anhydride (nke a na-eme ka ọ dị ọcha); 3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride(s-BPDA); S-BDPA; S-BPDA; [5,5'-biisobenzofuran] -1,1',3,3'-tetrone; [5,5'-Biisobenzofuran] -1,1',3,3'-tetrone; 5,5'-Biisobenzofuran-1,1',3,3'-tetrone