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