Methyl 4-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylate
4-(Fluoromethyl)-2-iodo-5-methyl-3-(trifluoromethoxy)pyridine
Methyl 6-(bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 6-(bromomethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-acetate