4-Nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2,3-Diiodo-4-methyl-5-(trifluoromethoxy)pyridine
4-Nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3,4-Diiodo-2-(trifluoromethoxy)pyridine-6-carboxylic acid
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