3-Chloro-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-Chloro-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
3-Chloro-2-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid
4-Chloro-2-(chloromethyl)-5-(trifluoromethoxy)pyridine-3-acetonitrile