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