Ethyl 5-iodo-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
2-(Chloromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Chloromethyl)-3-hydroxy-5-methyl-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylic acid