Ethyl 5-(bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 4-(bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
4-Iodo-5-nitro-3-(trifluoromethoxy)pyridine-2-methanol
4-(Bromomethyl)-3-iodo-2-methyl-6-(trifluoromethoxy)pyridine