Methyl 4-cyano-3-nitro-2-(trifluoromethoxy)pyridine-5-acetate
2-Cyano-4-nitro-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-(Aminomethyl)-5-chloro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Cyano-3-nitro-2-(trifluoromethoxy)pyridine-5-sulfonamide