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