Ethyl 4-methylpyrazolo[1,5-a]pyridine-3-carboxylate
5-Bromo-3-chloro-1H-pyrazolo[3,4-c]pyridine
3-Nitro-1H-pyrrolo[3,2-b]pyridin-6-ol
7-Bromo-4-fluoro-3-iodo-1H-pyrrolo[2,3-c]pyridine
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