CAS៖២៤២០-៨៧-៣ រូបមន្តម៉ូលេគុល៖C16H6O6 ទំងន់ម៉ូលេគុល៖២៩៤.២២ EINECS៖២១៩-៣៤២-៩ មានន័យដូច៖3,3',4,4'-Biphenyltetracarboxylic dianhydride 97%; 4,4'-Biphthalic Anhydride (បន្សុតដោយ sublimation); 3,3'4,4'-Biphenyl tetracarboxylic acid dianhydride(s-BPDA); S-BDPA; S-BPDA; [5,5'-biisobenzofuran]-1,1',3,3'-tetrone; [5,5'-Bisobenzofuran]-1,1',3,3'-tetrone; 5,5'-Bisobenzofuran-1,1',3,3'-tetrone