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