Methyl 1H-pyrazolo[3,4-b]pyridine-5-carboxylate
6-Bromo-3-iodo-2-methylimidazo[1,2-a]pyridine
Ethyl 4-chloro-2-(pyridin-2-yl)pyrimidine-5-carboxylate
4-Hydroxy-6-methyl-3-nitropyridin-2(1H)-one
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