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