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