2-Hydroxy-6-nitro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Hydroxy-4-methoxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-Fluoro-5-methyl-3-(trifluoromethoxy)pyridine-4-sulfonamide