(1,1'-Biphenyl)-4-carboxylic acid, 4'-nitro- 4'-Nitro(1,1'-biphenyl)-4-carboxylic acid 4'-Nitrodiphenyl-4-carboxylic acid 4-Biphenylcarboxylic acid, 4'-nitro- (8CI) 4-Nitro-4'-biphenylcarboxylic acid 92-89-7 EINECS 202-201-0 NSC 210796