4-Cyano-6-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Bromomethyl)-5-cyano-2-(trifluoromethoxy)pyridine-3-methanol
4-(Chloromethyl)-2-cyano-6-methoxy-3-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-4-(trifluoromethoxy)pyridine-6-carboxylic acid