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