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