3-Bromo-2-cyano-6-(difluoromethyl)pyridine-4-sulfonyl chloride
Ethyl 3-bromo-4-(difluoromethyl)-5-hydroxypyridine-2-acetate
5-Bromo-3-(difluoromethyl)-4-fluoropyridine-2-carbonyl chloride
3-Bromo-5-(difluoromethyl)-2-fluoropyridine-6-carbonyl chloride