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