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