4'-Nitrobiphenyl-4-carboxylic acid 4'-Nitrodiphenyl-4-carboxylic acid 4-Biphenylcarboxylic acid, 4'-nitro- 4-Nitro-4'-biphenylcarboxylic acid 92-89-7 NSC210796 [1,1'-Biphenyl]-4-carboxylic acid, 4'-nitro-