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4-HYDROXY-6-METHYL-3-NITRO-2-PYRIDONE 2-Hydroxy-4-methyl-3-nitropyridine 2-Bromo-3-methyl-5-nitropyridine 2-Hydroxy-4-methyl-5-nitropyridine 2-Hydroxy-5-methyl-3-nitropyridine 2-Hydroxy-6-methyl-5-nitropyridine 5-BROMO-2-HYDROXY-3-NITRO-4-PICOLINE 2-HYDROXY-3-METHYL-5-NITROPYRIDINE 3-BROMO-2-HYDROXY-5-NITRO-6-PICOLINE 4-CHLORO-6-METHYL-3-NITROPYRIDIN-2(1H)-ONE