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