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