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