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