3-Hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-6-methanol
2-(Chloromethyl)-3-hydroxy-4-nitro-6-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-5-hydroxy-6-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
5-(Bromomethyl)-2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine