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