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