2-Hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Hydroxy-6-nitro-2-(trifluoromethoxy)pyridine-5-methanol
4-(Chloromethyl)-6-fluoro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-Hydroxy-2-nitro-3-(trifluoromethoxy)pyridine-6-methanol