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