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