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