2-(Difluoromethyl)-6-nitro-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine-5-carboxaldehyde
3-(Difluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine-2-methanol
2-Nitro-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-carbonyl chloride