2-Chloro-5-(chloromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine
2-Chloro-3-(chloromethyl)-6-hydroxy-4-(trifluoromethoxy)pyridine
5-Bromo-3-(chloromethyl)-4-(trifluoromethoxy)pyridine-2-acetonitrile
4-Chloro-3-(fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine