5-Hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-Hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-5-methanol
Methyl 3-(fluoromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-5-acetate
4-Hydroxy-5-nitro-2-(trifluoromethoxy)pyridine-3-acetonitrile