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