2-Hydroxy-4-nitro-6-(trifluoromethoxy)pyridine-3-acetonitrile
2-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
2-Hydroxy-4-methoxy-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-Hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde