3-Hydroxy-6-methyl-4-(trifluoromethoxy)pyridine-2-carboxamide
4-Hydroxy-5-methyl-3-(trifluoromethoxy)pyridine-2-carboxamide
4-Hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-5-carboxamide
3-Hydroxy-5-methyl-2-(trifluoromethoxy)pyridine-6-carboxamide
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