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