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