5-Hydroxy-3-iodo-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-Hydroxy-5-methoxy-4-methyl-2-(trifluoromethoxy)pyridine
5-Hydroxy-4-methoxy-2-methyl-3-(trifluoromethoxy)pyridine
2-Hydroxy-6-methoxy-4-methyl-3-(trifluoromethoxy)pyridine
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