2-Methoxy-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
2-(Chloromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-6-acetonitrile
3-Methoxy-6-nitro-4-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-(Chloromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-3-acetonitrile