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