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