4-Nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide
3-Nitro-5-(trifluoromethoxy)pyridine-2-sulfonamide
6-(Chloromethyl)-2,3-dihydroxy-4-(trifluoromethoxy)pyridine
3,6-Dibromo-4-iodo-2-(trifluoromethoxy)pyridine
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