3-Cyano-2-iodo-4-(trifluoromethoxy)pyridine-6-sulfonamide
2-Cyano-6-iodo-5-(trifluoromethoxy)pyridine-3-sulfonamide
3-Chloro-2-(difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine
2-Chloro-6-(difluoromethyl)-5-fluoro-3-(trifluoromethoxy)pyridine
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