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