5-Amino-3-cyano-4-(trifluoromethoxy)pyridine-2-sulfonamide
3-Amino-5-cyano-2-(trifluoromethoxy)pyridine-6-sulfonamide
3-Bromo-5-chloro-6-cyano-2-(trifluoromethoxy)pyridine
5-Amino-4-cyano-2-(trifluoromethoxy)pyridine-3-sulfonamide
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