4-Hydroxy-3-methoxy-2-(trifluoromethoxy)pyridine-6-acetonitrile
3-Hydroxy-5-methoxy-6-(trifluoromethoxy)pyridine-2-acetonitrile
3-(Bromomethyl)-2-fluoro-6-nitro-4-(trifluoromethoxy)pyridine
2-(Bromomethyl)-6-fluoro-5-nitro-3-(trifluoromethoxy)pyridine