2-Chloro-4-cyano-3-(trifluoromethoxy)pyridine-6-sulfonamide
2-Chloro-3-cyano-6-(trifluoromethoxy)pyridine-4-sulfonamide
4-Bromo-2-iodo-6-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Aminomethyl)-6-bromo-3-(trifluoromethoxy)pyridine-2-carboxylic acid