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