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