Ethyl 6-(chloromethyl)-4-iodo-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 2-iodo-3-methoxy-4-(trifluoromethoxy)pyridine-6-acetate
3-(Chloromethyl)-2-iodo-4-nitro-5-(trifluoromethoxy)pyridine
3-Iodo-6-methoxy-2-(trifluoromethoxy)pyridine-4-acetic acid