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Ethyl 5-nitro-2-pyridinecarboxylate

2-Nitro-5-pyridinecarboxylic acid

2-Bromo-4-nitropyridine

2-Bromopyridine N-oxide hydrochloride

2-Bromo-4-nitropyridine N-oxide

2-Chloro-6-isopropylpyridine

2-Isopropyl-6-methoxypyridine

3-Phenylpyridine

2,6-Dichloro-3-aminopyridine

Pyridine-2,4-dicarbonitrile