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