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