Methyl 6-(chloromethyl)-2-cyano-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 2-(chloromethyl)-6-cyano-4-(trifluoromethoxy)pyridine-3-acetate
5-Chloro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-Fluoro-4-iodo-3-(trifluoromethoxy)pyridine-2-carboxaldehyde