4-(Chloromethyl)-2-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
Methyl 3-hydroxy-4-iodo-6-(trifluoromethoxy)pyridine-2-acetate
4-(Chloromethyl)-2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine
4-(Bromomethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-3-acetonitrile