4,5-Dihydroxy-3-(trifluoromethoxy)pyridine-2-carboxamide
3,4-Dihydroxy-2-(trifluoromethoxy)pyridine-5-carboxamide
2,3-Dibromo-5-(trifluoromethoxy)pyridine-6-carboxamide
2,6-Dihydroxy-3-(trifluoromethoxy)pyridine-5-carboxamide
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