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