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