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