4-Chloro-2-(chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
6-(Bromomethyl)-4-cyano-2-hydroxy-3-(trifluoromethoxy)pyridine
3-Chloro-5-(chloromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine
3-Chloro-5-(chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine