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