6-Iodo-3-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
4-(Bromomethyl)-3-iodo-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-Iodo-5-nitro-3-(trifluoromethoxy)pyridine-4-carbonyl chloride
4-(Bromomethyl)-6-iodo-3-(trifluoromethoxy)pyridine-2-carboxaldehyde