2-Bromo-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Chloro-5-cyano-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine
4-Chloro-5-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Chloro-4-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine