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