3-Acetyl-2-pyridinecarboxylic acid
6-Cyanoimidazo[1,2-a]pyridine-3-carboxylic acid
5-Bromo-3-iodo-1H-pyrrolo[3,2-b]pyridine
3-Aminothieno[2,3-b]pyridine-2-carboxamide
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