6-(Difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
2-(Bromomethyl)-5-iodo-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Bromomethyl)-4-iodo-5-(trifluoromethoxy)pyridine-3-acetonitrile