3-(Chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-5-acetonitrile
Methyl 4-iodo-6-methoxy-2-(trifluoromethoxy)pyridine-3-acetate
6-(Chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 4-iodo-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetate