2-(Difluoromethyl)-3-hydroxy-6-iodopyridine-5-carboxamide
2-(Difluoromethyl)-3-hydroxy-5-iodopyridine-6-carboxamide
2-(Difluoromethyl)-3-hydroxy-4-iodopyridine-6-carboxamide
3-(Difluoromethyl)-5-fluoro-2-nitropyridine-4-carboxamide
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