3-(Difluoromethyl)-4-iodo-2-methoxy-6-(trifluoromethoxy)pyridine
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