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