Ethyl 5-hydroxypyrazolo[1,5-a]pyridine-3-carboxylate
6-Bromo-3-(4-vinylphenyl)-[1,2,4]triazolo[4,3-a]pyridine
N2-(4-Fluorobenzyl)-5-nitropyridine-2,6-diamine
2,5-Dibromo-[1,2,4]triazolo[1,5-a]pyridine
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