5-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
6-(Aminomethyl)-3-chloro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-Cyano-5-nitro-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-(Aminomethyl)-6-chloro-2-(trifluoromethoxy)pyridine-5-carboxaldehyde