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