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