3-Cyano-4-iodo-2-(trifluoromethoxy)pyridine-6-sulfonamide
3-Chloro-4-(difluoromethyl)-2-fluoro-6-(trifluoromethoxy)pyridine
3-Cyano-2-iodo-6-(trifluoromethoxy)pyridine-4-sulfonamide
3-Chloro-2-(difluoromethyl)-6-fluoro-4-(trifluoromethoxy)pyridine
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