3-Chloro-2-methoxy-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Bromomethyl)-5-cyano-4-methoxy-3-(trifluoromethoxy)pyridine
2-Chloro-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Chloro-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde