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