5-Bromo-3,4-dihydroxy-2-(trifluoromethoxy)pyridine
2-Bromo-3,4-dihydroxy-5-(trifluoromethoxy)pyridine
3-Bromo-2,6-dihydroxy-4-(trifluoromethoxy)pyridine
3,5-Diiodo-2-methyl-6-(trifluoromethoxy)pyridine
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