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