Methyl 2-cyano-6-iodo-4-(trifluoromethoxy)pyridine-3-carboxylate
2-Cyano-3-nitro-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Chloro-6-(difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
4-Cyano-6-nitro-2-(trifluoromethoxy)pyridine-3-sulfonamide