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