(1,1'-Biphenyl)-2,2'-dicarboxylic acid 2,2'-Bibenzoic acid 2,2'-Biphenyldicarboxylic acid 2,2'-Dicarboxybiphenyl 482-05-3 AI3-23779 Biphenyl-2,2'-dicarboxylic acid DIPHENIC ACID Diphenic acid (8CI) EINECS 207-576-4 NSC 1966 O,O'-Bibenzoic acid O,O'-Diphenic acid