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