Methyl 6-hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-4-acetate
2-Fluoro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-Fluoro-4-(fluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Chloromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-acetonitrile