3,6-Dihydroxy-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2,6-Diiodo-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2,5-Dihydroxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2,6-Diiodo-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
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