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