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