4-Chloro-3-iodo-5-(trifluoromethoxy)pyridine-2-sulfonamide
3-Cyano-2-methoxy-4-methyl-6-(trifluoromethoxy)pyridine
4-Chloro-6-iodo-2-(trifluoromethoxy)pyridine-3-sulfonamide
2-Cyano-5-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
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