3-Bromo-4-(chloromethyl)-2-(difluoromethyl)pyridine-5-carboxaldehyde
Ethyl 2-bromo-5-(bromomethyl)-6-(difluoromethyl)pyridine-3-carboxylate
Ethyl 6-bromo-3-(bromomethyl)-4-(difluoromethyl)pyridine-2-carboxylate
Ethyl 2-bromo-5-(bromomethyl)-3-(difluoromethyl)pyridine-6-carboxylate