(1,1'-Biphenyl)-4,4'-dicarboxylic acid 349484-13-5 4,4'-BIPHENYLDICARBOXYLIC ACID 4,4'-Bibenzoic acid 4,4'-Biphenyl dicarboxylic acid 4,4'-Dicarboxybiphenyl 4,4'-Diphenic acid 4-09-00-03563 (Beilstein Handbook Reference) 787-70-2 BRN 0523308 EINECS 212-328-3 NSC 60016 USAF DO-69 p,p'-Diphenic acid