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