4-Amino-3-hydroxy-2-(trifluoromethoxy)pyridine-6-sulfonamide
4-Amino-2-hydroxy-6-(trifluoromethoxy)pyridine-3-sulfonamide
3-Amino-4-chloro-2-(chloromethyl)-5-(trifluoromethoxy)pyridine
4-Amino-2-hydroxy-3-(trifluoromethoxy)pyridine-6-sulfonamide
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