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