6-Amino-3,4-dihydroxy-2-(trifluoromethoxy)pyridine
3-Iodo-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Amino-3,4-dihydroxy-6-(trifluoromethoxy)pyridine
2-Iodo-4-(trifluoromethoxy)pyridine-3-carboxylic acid
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