3-Chloro-2-(difluoromethyl)-4-hydroxypyridine-6-carboxamide
2-Chloro-6-(difluoromethyl)-5-hydroxypyridine-3-carboxamide
5-Chloro-2-(difluoromethyl)-4-hydroxypyridine-3-carboxamide
5-Chloro-2-(difluoromethyl)-3-hydroxypyridine-4-carboxamide
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