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