3-Quinolinecarboxylicacid, 4-hydroxy-6-nitro- 4-Hydroxy-6-nitro-3-quinolinecarboxylic acid 4-Hydroxy-6-nitro-quinoline-3-carboxylic acid 4-Hydroxy-6-nitroquinoline-3-carboxylic acid 4-Hydroxy-6-nitroquinoline-3-carboxylicacid 6-nitro-4-oxo-1H-quinoline-3-carboxylic acid Nsc 77094