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