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