Methyl 5-amino-4-methyl-2-(trifluoromethoxy)pyridine-3-acetate
Methyl 5-amino-4-methyl-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 3-amino-4-methyl-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 4-amino-3-methyl-6-(trifluoromethoxy)pyridine-2-acetate