3-Chloro-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
5-Cyano-2-(fluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine
5-Chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Cyano-3-(fluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine