Methyl 2-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-acetate
4-(Chloromethyl)-2-iodo-3-methyl-6-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-4-acetic acid
3-(Chloromethyl)-5-iodo-6-methyl-2-(trifluoromethoxy)pyridine