Phthalic acid,3-nitro, 3-nitrobenzene-1,2-dicarboxylic acid, o-nitrophthalic acid, 3-nitro-1,2-benzenedicarboxylic acid, 1,2-Benzenedicarboxylic acid,3-nitro, 3-nitro-phthalic acid, 1,2-Benzenedicarboxylic acid, 3-nitro-, 3-nitronaphthalic acid, mononitrophthalic acid, 3-Nitrophthalic acid