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