2,3-Dihydroxy-4-fluoro-5-(trifluoromethoxy)pyridine
5-Bromo-2,4-diiodo-3-(trifluoromethoxy)pyridine
2-Chloro-3,5-dihydroxy-4-(trifluoromethoxy)pyridine
2,4-Diiodo-3-(fluoromethyl)-6-(trifluoromethoxy)pyridine
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