1,3-Benzenedicarboxylic acid, 5-nitro- 1-Nitrobenzene-3,5-dicarboxylic acid 5-Nitro-1,3-benzenedicarboxylic acid 5-Nitro-m-phthalic acid 5-Nitroisophthalic acid 618-88-2 Isophthalic acid, 5-nitro- NSC66545