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