Ethyl 6-bromo-3-(chloromethyl)-4-(difluoromethyl)pyridine-2-carboxylate
2-Bromo-3-(difluoromethyl)-4-methoxypyridine-6-carbonyl chloride
Ethyl 2-bromo-5-(chloromethyl)-3-(difluoromethyl)pyridine-4-carboxylate
Ethyl 4-bromo-2-(difluoromethyl)-3-methoxypyridine-6-acetate