1,4,6-Trimethyl-2-oxo-1,2-dihydropyridine-3-carbonitrile
3-Bromo-1H-pyrrolo[2,3-b]pyridine-4-carbonitrile
4-Bromo-2-iodo-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine
6-Nitro-3H-imidazo[4,5-b]pyridine
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