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