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