Ethyl 1H-pyrazolo[3,4-b]pyridine-3-carboxylate
Ethyl 1-methyl-2-oxo-1,2-dihydropyridine-3-carboxylate
7-Chloro-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine
2-(Benzyloxy)-5-bromo-3-iodopyridine
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