3-Chloro-5-iodo-6-nitro-2-(trifluoromethoxy)pyridine
2-Chloro-3-(chloromethyl)-4-iodo-6-(trifluoromethoxy)pyridine
3-Bromo-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Bromo-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine-4-carboxaldehyde