Methyl 2-(bromomethyl)-5-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 6-(bromomethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-(bromomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
4-Methyl-5-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid