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