4-(Chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Iodo-4-methyl-5-(trifluoromethoxy)pyridine-3-carboxylic acid
2-(Chloromethyl)-6-hydroxy-3-(trifluoromethoxy)pyridine-5-acetic acid
2-Iodo-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid