4-(Fluoromethyl)-6-hydroxy-3-methyl-2-(trifluoromethoxy)pyridine
2-(Bromomethyl)-3-hydroxy-5-iodo-6-(trifluoromethoxy)pyridine
4-(Fluoromethyl)-2-hydroxy-3-methyl-5-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-fluoro-4-methoxy-3-(trifluoromethoxy)pyridine