6-Cyano-4-fluoro-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-(Chloromethyl)-4-cyano-2-hydroxy-6-(trifluoromethoxy)pyridine
2-Cyano-3-fluoro-4-(trifluoromethoxy)pyridine-5-sulfonamide
4-Cyano-6-(difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine
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