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