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