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