6-Chloro-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Chloromethyl)-2-cyano-3-hydroxy-6-(trifluoromethoxy)pyridine
2-Chloro-5-methyl-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-(Chloromethyl)-5-cyano-6-hydroxy-2-(trifluoromethoxy)pyridine