4-Iodo-3-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide
4-Iodo-3-nitro-2-(trifluoromethoxy)pyridine-6-sulfonamide
4-(Difluoromethyl)-6-iodo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-(Difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine-3-carboxaldehyde