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