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