Ethyl 5-iodo-2-nitro-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 3-(aminomethyl)-2-iodo-5-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-(aminomethyl)-6-iodo-4-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-(aminomethyl)-5-iodo-6-(trifluoromethoxy)pyridine-3-acetate