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