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