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