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