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