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