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