3-(Difluoromethyl)-2-hydroxypyridine-5-carboxamide
3-(Difluoromethyl)-2-hydroxypyridine-4-carboxamide
6-(Difluoromethyl)-2-hydroxypyridine-3-carboxamide
2-(Difluoromethyl)-6-hydroxypyridine-4-carboxamide
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