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