Ethyl 4-oxo-3,4-dihydropyrido[2,3-d]pyrimidine-2-carboxylate
Methyl 3-bromo-1H-pyrrolo[2,3-b]pyridine-4-carboxylate
3-Bromo-4-nitropyridine hydrochloride
6-Bromo-5-methylpyrazolo[1,5-a]pyridine
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