2-Cyano-6-hydroxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Chloromethyl)-2-fluoro-5-methyl-6-(trifluoromethoxy)pyridine
6-Cyano-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-(Chloromethyl)-2-fluoro-4-methyl-3-(trifluoromethoxy)pyridine