4-Chloro-5-cyano-3-(trifluoromethoxy)pyridine-2-sulfonamide
3-Chloro-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylic acid
6-Chloro-4-fluoro-3-iodo-2-(trifluoromethoxy)pyridine
3-Chloro-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-5-carboxylic acid