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