3-Nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
3-Nitro-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
2-(Difluoromethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
6-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
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