5-(Chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-(Chloromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
5-Iodo-2-methyl-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-(Chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile