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