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