2-Chloro-6-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-6-acetic acid
2-Chloro-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Cyano-6-hydroxy-5-(trifluoromethoxy)pyridine-3-acetic acid