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