3,5-Diiodo-2-hydroxy-4-(trifluoromethoxy)pyridine
3,5-Dihydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Amino-3,4-dihydroxy-2-(trifluoromethoxy)pyridine
3,4-Dihydroxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
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