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