2-(Fluoromethyl)-3-hydroxy-4-methyl-6-(trifluoromethoxy)pyridine
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