3-Bromo-2-(difluoromethyl)-6-nitro-5-(trifluoromethyl)pyridine
3-Bromo-2-(difluoromethyl)-5-nitro-6-(trifluoromethyl)pyridine
2-Bromo-6-(difluoromethyl)-5-nitropyridine-3-carbonyl chloride
2-Bromo-6-(difluoromethyl)-4-nitropyridine-3-carbonyl chloride