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