3-Bromo-2-(difluoromethyl)-5-fluoropyridine-4-carbonyl chloride
3-Bromo-2-(difluoromethyl)-4-fluoropyridine-5-carbonyl chloride
2-Bromo-6-(difluoromethyl)-5-fluoropyridine-3-carbonyl chloride
2-Bromo-6-(difluoromethyl)-4-fluoropyridine-3-carbonyl chloride