2-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-5-sulfonamide
4-(Chloromethyl)-2-(difluoromethyl)-6-iodo-3-(trifluoromethoxy)pyridine
6-(Chloromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Methoxy-6-nitro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride