Methyl 4-(chloromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate
4-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-2-acetic acid
4-(Bromomethyl)-2-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
4-(Bromomethyl)-2-hydroxy-3-nitro-6-(trifluoromethoxy)pyridine