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