5-Chloro-3-fluoro-2-hydrazinylpyridine
2-Bromo-4-oxo-1,4-dihydropyridine-3-carbonitrile
1-Methyl-6-oxo-1,6-dihydropyridine-2-carboxamide
4-Bromo-1H-imidazo[4,5-c]pyridine
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