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