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