Ethyl 2-(aminomethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-iodo-5-methoxy-3-(trifluoromethoxy)pyridine-4-acetate
Methyl 3-(aminomethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-acetate
Ethyl 6-iodo-4-methoxy-3-(trifluoromethoxy)pyridine-2-acetate