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