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