2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-(Aminomethyl)-5-chloro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Cyano-4-fluoro-2-methyl-6-(trifluoromethoxy)pyridine
3-Cyano-2-nitro-6-(trifluoromethoxy)pyridine-5-carboxylic acid