Ethyl 4-iodo-3-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
3-(Bromomethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
3-(Bromomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Bromomethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-5-acetonitrile