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