Pyridine, 3-methyl-4-nitro-, 1-oxide, 3-methyl-4-nitropyridine-1-oxide, 4-Nitro-B-picoline N-oxide, 3-methyl-4-nitropyridine-N-oxide, 3-Methyl-4-nitropyridine N-Oxide, 3-methyl-4-nitro-pyridin1-oxide, 3-Picoline,4-nitro-,1-oxide, 3-methyl-4-nitropyridine-l-oxide, 4-Nitro-3-picoline N-Oxide, 4-Nitro-3-picoline 1-oxide, 4-Nitro-3-picoline-N-oxide, 3-Methyl-4-nitropyri