4-(Chloromethyl)-6-iodo-3-methoxy-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-5-iodo-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
5-(Chloromethyl)-3-iodo-4-methoxy-2-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-iodo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde