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