3-Chloro-5-cyano-6-(trifluoromethoxy)pyridine-2-sulfonamide
2-Chloro-6-cyano-5-(trifluoromethoxy)pyridine-3-sulfonamide
2-Chloro-5-cyano-3-(trifluoromethoxy)pyridine-6-sulfonamide
3-Chloro-2-fluoro-4-hydroxy-6-(trifluoromethoxy)pyridine
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