Methyl 3,6-dihydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
4,6-Dihydroxy-3-nitro-2-(trifluoromethoxy)pyridine
Methyl 4,6-dihydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 2,3-dihydroxy-5-(trifluoromethoxy)pyridine-4-carboxylate
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