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