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