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2-Iodo-5-bromopyridine

5-Amino-2-fluoropyridine-4-carboxylic acid

2-Chloropyridine-5-acetic acid

2,5-Diiodopyridine

2,6-Dicyanopyridine

Ethyl 5-amino-2-pyridinecarboxylate

Ethyl 5-nitro-2-pyridinecarboxylate

2-Nitro-5-pyridinecarboxylic acid

2-Bromo-4-nitropyridine

2-Bromopyridine N-oxide hydrochloride