5-(Chloromethyl)-2-hydroxy-4-iodo-3-(trifluoromethoxy)pyridine
5-Cyano-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxylic acid
4-(Chloromethyl)-3-hydroxy-5-iodo-2-(trifluoromethoxy)pyridine
4-Cyano-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxylic acid