2-(Difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
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