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