5-Iodo-2-nitro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
4-Iodo-5-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Iodo-6-methoxy-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-Iodo-6-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride