4-Hydroxy-2-methyl-3-nitropyridine

2-Methyl-3-nitro-4-hydroxy-pyridin

4-hydroxy-3-nitro-2-picoline

2-methyl-3-nitro-4-pyridinol

2-methyl-3-nitro-4-hydroxypyridine

2-methyl-3-nitropyridin-4-ol