2-(Bromomethyl)-6-cyano-3-(trifluoromethoxy)pyridine-5-methanol
2-(Bromomethyl)-5-cyano-3-(trifluoromethoxy)pyridine-6-methanol
2-(Bromomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-6-methanol
6-(Chloromethyl)-3-cyano-4-(trifluoromethoxy)pyridine-2-carboxaldehyde