3-Bromo-2-(difluoromethyl)-5-hydroxypyridine-4-carboxamide
6-Bromo-2-(difluoromethyl)-3-hydroxypyridine-4-carboxamide
4-Bromo-6-(difluoromethyl)-2-nitropyridine-3-carboxamide
3-Bromo-2-(difluoromethyl)-6-nitropyridine-5-carboxamide
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