2-(Bromomethyl)-6-cyano-4-nitro-3-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine-5-acetonitrile
Methyl 4-(chloromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine-5-acetate
6-(Chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-4-acetonitrile