Ethyl 3-iodo-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylate
2-(Aminomethyl)-6-iodo-5-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 5-(bromomethyl)-4-iodo-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-(bromomethyl)-2-iodo-5-(trifluoromethoxy)pyridine-6-acetate