6-Bromo-5-methylpyrazolo[1,5-a]pyridine
3-Bromo-5-fluoro-2-hydrazinylpyridine
3-Chloro-1H-pyrrolo[2,3-c]pyridine-4-carbonitrile
6,7-Dihydro-5H-cyclopenta[c]pyridin-5-one
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