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