4-Nitrophthalic acid
5-NITROPHTHALIC ACID; 4-NITROBENZENE-1,2-DICARBOXYLIC ACID; 4-nitro-2-benzenedicarboxylicacid; p-Nitro Phthalic Acid; 4-NPA; 4-Nitrophthalicacid; p-Nitro Phthalic Acid; 4-NPA; 1,2-Benzenedicarboxylic acid, 4-nitro-; 4-Nitro-1,2-benzenedicarboxylic acid; 4-Nitro-2-benzenedicarboxylic acid; 4-nitrobenzene-1,2-dicarboxylic acid; 4-nitrobenzene-1,2-dicarboxylate; 4-Nitro phthalic acid