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