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