5-Hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-2-acetonitrile
Methyl 4-(bromomethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-(bromomethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetate
3-Hydroxy-4-nitro-2-(trifluoromethoxy)pyridine-5-acetonitrile