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