2-Chloro-4-nitro-6-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Cyano-5-nitro-4-(trifluoromethoxy)pyridine-3-methanol
2-Cyano-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-Chloro-6-nitro-3-(trifluoromethoxy)pyridine-4-sulfonyl chloride