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